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These are the user uploaded subtitles that are being translated: 1 00:00:04,827 --> 00:00:08,034 Narrator: N.A.S.A.'s MISSION IS TO EXPLORE THE UNKNOWN. 2 00:00:08,034 --> 00:00:11,310 THERE'S MORE THAT WE DON'T KNOW THAN WE DO KNOW. 3 00:00:11,310 --> 00:00:13,344 THAT'S JUST THE NATURE OF THE UNIVERSE. 4 00:00:14,344 --> 00:00:16,379 Narrator: SEARCHING FOR ANSWERS, 5 00:00:16,379 --> 00:00:17,862 IT LAUNCHES SCIENTISTS INTO SPACE 6 00:00:17,862 --> 00:00:20,758 AND CRAFT BEYOND THE EDGE OF THE SOLAR SYSTEM. 7 00:00:23,000 --> 00:00:27,655 TAKING RISK IS PART OF MAKING DISCOVERIES. 8 00:00:27,655 --> 00:00:32,482 SPACE EXPLORATION IS LIKE LIGHTING A MATCH, 9 00:00:32,482 --> 00:00:35,689 AND WE DON'T KNOW WHAT LURKS IN THE SHADOWS. 10 00:00:36,965 --> 00:00:38,931 THERE COULD BE ANYTHING OUT THERE. 11 00:00:40,034 --> 00:00:41,413 Narrator: STRANGE EXPERIMENTS 12 00:00:41,413 --> 00:00:43,551 CONDUCTED DURING THE "APOLLO" PROGRAM. 13 00:00:43,551 --> 00:00:45,655 Man: AND SUDDENLY, THERE'S SOMETHING OUT THERE. 14 00:00:45,655 --> 00:00:47,793 THIS -- THIS IS AMAZING. 15 00:00:47,793 --> 00:00:50,862 THIS IS SCIENCE FICTION, EXCEPT YOU'RE LIVING IT. 16 00:00:50,862 --> 00:00:54,034 Narrator: WEIRD PHENOMENA THAT APPEAR TO DEFY 17 00:00:54,034 --> 00:00:55,241 THE LAWS OF PHYSICS... 18 00:00:55,241 --> 00:00:56,413 IT REALLY DOES PROVE 19 00:00:56,413 --> 00:00:58,724 THAT THERE CAN BE A SNOWBALL'S CHANCE IN HELL. 20 00:00:58,724 --> 00:01:01,517 Narrator: AND THREATS TO THE CONTINUED EXISTENCE 21 00:01:01,517 --> 00:01:02,655 OF LIFE ON EARTH... 22 00:01:02,655 --> 00:01:04,551 IT'S PROBABLY THE MOST DESTRUCTIVE EVENT 23 00:01:04,551 --> 00:01:06,310 IN THE HISTORY OF HUMAN CIVILIZATION. 24 00:01:06,310 --> 00:01:09,827 BUT THERE'S NO TRACE OF WHAT ACTUALLY HIT US. 25 00:01:12,758 --> 00:01:14,310 [ STATIC, REWINDING SOUND ] 26 00:01:14,310 --> 00:01:15,655 Narrator: N.A.S.A.'s MISSIONS 27 00:01:15,655 --> 00:01:18,241 HAVE UNCOVERED DISTURBING ANOMALIES... 28 00:01:18,241 --> 00:01:19,965 MAN: Okay. We're seeing three or four objects. 29 00:01:19,965 --> 00:01:22,379 MAN: No, there are -- there are three objects. 30 00:01:22,379 --> 00:01:26,689 ...THAT CONTINUE TO PERPLEX OUR FINEST SCIENTIFIC MINDS. 31 00:01:26,689 --> 00:01:31,620 THESE ARE... 32 00:01:31,620 --> 00:01:33,793 THE "APOLLO 12" MISSION ENDS 33 00:01:33,793 --> 00:01:38,758 WITH HUMANITY'S FIRST DELIBERATE SPACESHIP CRASH. 34 00:01:38,758 --> 00:01:41,482 WE JETTISONED THE LUNAR MODULE. 35 00:01:41,482 --> 00:01:44,724 IT IMPACTED THE MOON AT JUST THE RIGHT SPOT. 36 00:01:47,758 --> 00:01:49,862 Narrator: AND THE SCIENTISTS MONITORING THE IMPACT 37 00:01:49,862 --> 00:01:53,137 GET THE SURPRISE OF THEIR LIVES. 38 00:01:53,137 --> 00:01:55,137 THIS IS WEIRD. IT DOESN'T MAKE SENSE. 39 00:01:55,137 --> 00:01:57,620 UH, IT'S RINGING LIKE A BELL. 40 00:02:00,586 --> 00:02:03,655 ONCE YOU GO DOWN THE PATH OF A HOLLOW MOON, 41 00:02:03,655 --> 00:02:05,620 EVERYTHING IS ON THE TABLE. 42 00:02:11,379 --> 00:02:12,655 [ STATIC ] 43 00:02:14,172 --> 00:02:16,275 Narrator: STEPPING OUT FROM THE LUNAR MODULE, 44 00:02:16,275 --> 00:02:20,000 "APOLLO 12" ASTRONAUTS PETE CONRAD AND ALAN BEAN 45 00:02:20,000 --> 00:02:22,689 BECOME THE THIRD AND FOURTH MEMBERS OF HUMANITY 46 00:02:22,689 --> 00:02:25,448 TO SET FOOT ON ANOTHER WORLD. 47 00:02:25,448 --> 00:02:30,068 THIS...THIS IS AMAZING. 48 00:02:30,068 --> 00:02:32,862 THIS IS SCIENCE FICTION, EXCEPT YOU'RE LIVING IT. 49 00:02:36,482 --> 00:02:39,862 WE KNEW WE'D BEEN SENT THERE FOR A JOB, 50 00:02:39,862 --> 00:02:42,413 SO I LOOKED AT THE CUFF CHECKLIST 51 00:02:42,413 --> 00:02:44,413 AND SEE WHAT WAS TO DO NEXT. 52 00:02:44,413 --> 00:02:47,000 Narrator: ONE OF THE MISSION'S PRIMARY OBJECTIVES 53 00:02:47,000 --> 00:02:49,862 IS AN EXPERIMENT TO REVEAL THE MOON'S GEOLOGICAL MAKEUP. 54 00:02:49,862 --> 00:02:53,103 CRASHING PART OF THE "APOLLO 12" SPACECRAFT 55 00:02:53,103 --> 00:02:55,758 SHOULD SEND MEASURABLE VIBRATIONS 56 00:02:55,758 --> 00:02:57,931 THROUGH THE LUNAR CRUST. 57 00:02:57,931 --> 00:03:00,275 SCIENTISTS SAID, "LET'S SEPARATE THE LUNAR MODULE 58 00:03:00,275 --> 00:03:04,103 "AND HAVE IT IMPACT THE MOON JUST AT THE RIGHT DISTANCE 59 00:03:04,103 --> 00:03:06,931 "AWAY FROM THIS SEISMOMETER THAT THEY PUT THERE, 60 00:03:06,931 --> 00:03:09,137 "AND WE'LL MEASURE HOW IT VIBRATES, 61 00:03:09,137 --> 00:03:11,379 "AND THAT'LL TELL US WHAT'S GOING ON 62 00:03:11,379 --> 00:03:14,000 IN THE CENTER OF THE MOON." 63 00:03:14,000 --> 00:03:16,758 Narrator: THE EXPERIMENT BEGINS WITH THE INSTALLATION 64 00:03:16,758 --> 00:03:19,655 OF A SEISMOMETER, A HIGHLY SENSITIVE DEVICE 65 00:03:19,655 --> 00:03:23,206 TO DETECT TINY MOVEMENTS IN THE MOON'S SURFACE 66 00:03:23,206 --> 00:03:25,172 AND THE ROCKS DEEP BELOW. 67 00:03:25,172 --> 00:03:27,482 THE FIRST THING IT MEASURED ON THERE 68 00:03:27,482 --> 00:03:28,931 WAS US RUNNING NEAR IT. 69 00:03:28,931 --> 00:03:30,586 THEY COULD CATCH OUR FEET. 70 00:03:30,586 --> 00:03:31,862 [ BEEP ]Feet now. 71 00:03:31,862 --> 00:03:33,896 We're picking up, uh, your heavy footprints 72 00:03:33,896 --> 00:03:35,655 going by the seismometer. 73 00:03:35,655 --> 00:03:37,758 Narrator: FOR THE NEXT 31 HOURS, 74 00:03:37,758 --> 00:03:40,482 THIS GEOLOGY EXPERIMENT REMAINS ON HOLD 75 00:03:40,482 --> 00:03:43,482 WHILE THE ASTRONAUTS FOCUS ON OTHER WORK, 76 00:03:43,482 --> 00:03:44,551 INCLUDING CONSTRUCTION 77 00:03:44,551 --> 00:03:46,137 OF A NUCLEAR-POWERED SCIENCE STATION 78 00:03:46,137 --> 00:03:48,068 ON THE LUNAR SURFACE. 79 00:03:48,068 --> 00:03:50,862 [ STATIC ] 80 00:03:52,689 --> 00:03:56,172 THE EXPERIMENT RESUMES WHEN THE ASCENT STAGE 81 00:03:56,172 --> 00:04:00,413 BLASTS INTO ORBIT TO RENDEZVOUS WITH THE COMMAND MODULE. 82 00:04:01,931 --> 00:04:03,724 ONCE THE LUNAR MODULE ASCENT STAGE 83 00:04:03,724 --> 00:04:05,448 DOCKS WITH THE COMMAND SERVICE MODULE 84 00:04:05,448 --> 00:04:07,551 AND THEY TRANSFER ALL THE PERSONNEL 85 00:04:07,551 --> 00:04:10,482 AND THE MATERIAL INTO THE COMMAND MODULE, 86 00:04:10,482 --> 00:04:12,965 THE ASCENT STAGE BECOMES VIRTUALLY USELESS. 87 00:04:12,965 --> 00:04:15,448 [ INDISTINCT CONVERSATIONS ] 88 00:04:15,448 --> 00:04:16,896 Narrator: THE ABANDONED SPACECRAFT 89 00:04:16,896 --> 00:04:19,206 BECOMES A MISSILE UNDER THE CONTROL 90 00:04:19,206 --> 00:04:21,000 OF TECHNICIANS IN HOUSTON. 91 00:04:23,206 --> 00:04:26,758 MAN: Guidance and control officer reports that -- 92 00:04:26,758 --> 00:04:30,931 that, uh, the two spacecraft have, uh, separated. 93 00:04:30,931 --> 00:04:33,344 THE LUNAR MODULE ASCENT STAGE IS TARGETED TO LAND 94 00:04:33,344 --> 00:04:36,275 ABOUT 40 TO 50 MILES AWAY FROM THE "APOLLO 12" LANDING SITE. 95 00:04:38,413 --> 00:04:42,551 "Apollo 12," Houston. The land is on its way down. 96 00:04:47,379 --> 00:04:51,068 Narrator: TRAVELING AT ALMOST 3,800 MILES PER HOUR, 97 00:04:51,068 --> 00:04:54,586 THE USED VEHICLE SLAMS INTO THE MOON'S SURFACE... 98 00:04:54,586 --> 00:04:57,206 [ EXPLOSION ] 99 00:04:57,206 --> 00:05:01,034 ...CREATING A 30-FOOT-WIDE CRATER AND A MOONQUAKE. 100 00:05:01,034 --> 00:05:05,689 IT IMPACTED THE MOON AT JUST THE RIGHT SPOT 101 00:05:05,689 --> 00:05:07,758 SO OUR SEISMOMETER 102 00:05:07,758 --> 00:05:12,758 COULD MEASURE WHAT THE INTERIOR OF THE MOON WAS LIKE. 103 00:05:14,068 --> 00:05:16,793 Narrator: THE RESULTS RECORDED ON THE SEISMIC SENSORS 104 00:05:16,793 --> 00:05:19,586 ASTONISH N.A.S.A. SCIENTISTS. 105 00:05:20,827 --> 00:05:23,379 WHEN THEY SAW THEM ON THE SEISMIC RECORD, 106 00:05:23,379 --> 00:05:26,551 IT WAS RINGING LIKE A BELL, AND IT JUST WOULDN'T STOP. 107 00:05:28,000 --> 00:05:29,620 IT -- IT WAS JUST AMAZING. 108 00:05:29,620 --> 00:05:32,206 THEY HAD NOT SEEN SOMETHING LIKE THAT BEFORE. 109 00:05:32,206 --> 00:05:34,000 THEY WONDERED, "WHAT THE DEVIL IS THIS?" 110 00:05:36,103 --> 00:05:38,448 Narrator: WHEN MAURICE EWING, 111 00:05:38,448 --> 00:05:39,931 CO-HEAD OF THE SEISMIC EXPERIMENT, 112 00:05:39,931 --> 00:05:42,275 STARTS THE SCIENCE PRESS CONFERENCE 113 00:05:42,275 --> 00:05:45,275 30 MINUTES LATER, THE MOON IS STILL RINGING. 114 00:05:45,275 --> 00:05:47,172 [ STATIC ] 115 00:05:47,172 --> 00:05:50,482 Man: AS FOR THE MEANING OF IT, I'D RATHER NOT MAKE A -- 116 00:05:50,482 --> 00:05:52,206 AN INTERPRETATION RIGHT NOW, 117 00:05:52,206 --> 00:05:55,586 BUT IT IS AS THOUGH ONE HAD 118 00:05:55,586 --> 00:06:01,034 STRUCK A BELL, SAY, IN THE -- IN THE BELFRY OF THE CHURCH, 119 00:06:01,034 --> 00:06:03,482 A SINGLE BLOW, AND FOUND THAT 120 00:06:03,482 --> 00:06:05,965 THE REVERBERATION FROM IT CONTINUED. 121 00:06:05,965 --> 00:06:09,034 Narrator: THE MOONQUAKE CAUSED BY THIS SINGLE IMPACT 122 00:06:09,034 --> 00:06:12,758 CONTINUES FOR ANOTHER 25 MINUTES. 123 00:06:12,758 --> 00:06:15,344 THIS, OF COURSE, SET OFF 124 00:06:15,344 --> 00:06:17,448 A SEARCH TO TRY TO FIND AN EXPLANATION 125 00:06:17,448 --> 00:06:20,413 FOR WHAT THIS BIG DIFFERENCE BETWEEN WHAT WE SEE ON EARTH, 126 00:06:20,413 --> 00:06:22,689 WHERE THE EARTHQUAKES ONLY LAST FOR A FEW MINUTES, 127 00:06:22,689 --> 00:06:26,793 AND ON THE MOON, WHERE THEY GO ON FOR HOURS AND HOURS. 128 00:06:28,965 --> 00:06:33,862 SCIENTISTS WHO WERE WILLING TO THINK OUTSIDE THE BOX SAID, 129 00:06:33,862 --> 00:06:40,000 "HEY, THAT'S HOLLOW. WE HAVE A HOLLOW MOON." 130 00:06:43,724 --> 00:06:46,586 ONCE YOU GO DOWN THE PATH OF A HOLLOW MOON, 131 00:06:46,586 --> 00:06:49,103 EVERYTHING IS ON THE TABLE. 132 00:06:51,241 --> 00:06:53,310 SO, IF THE MOON WERE HOLLOW, WHAT WOULD THAT MEAN? 133 00:06:53,310 --> 00:06:55,413 WELL, OBVIOUSLY, IT'S NOT A NATURALLY OCCURRING PHENOMENON 134 00:06:55,413 --> 00:06:56,931 SO IT'S GOTTA BE ARTIFICIAL. 135 00:06:56,931 --> 00:06:58,827 SOMEBODY PUT IT THERE. SOMEONE BUILT IT. 136 00:07:01,482 --> 00:07:02,827 [ ALARM SOUNDS ] 137 00:07:02,827 --> 00:07:04,517 Man: "FIRST MEN IN THE MOON." 138 00:07:05,931 --> 00:07:08,448 Narrator: THEORIES ABOUT OUR MOON BEING HOLLOW 139 00:07:08,448 --> 00:07:10,965 HAVE BECOME COMMON IN SCIENCE FICTION STORIES 140 00:07:10,965 --> 00:07:13,137 BUT DON'T FIT WITH MAINSTREAM SCIENCE. 141 00:07:13,137 --> 00:07:16,379 THE IDEA THAT THE MOON COULD BE AN ARTIFICIAL SPACE STATION... 142 00:07:16,379 --> 00:07:19,517 HOW DIFFICULT IT IS JUST TO GET OUR SPACE STATION UP, 143 00:07:19,517 --> 00:07:22,689 CAN YOU IMAGINE PUTTING SOMETHING THE SIZE OF THE MOON 144 00:07:22,689 --> 00:07:23,793 IN ORBIT? 145 00:07:23,793 --> 00:07:27,310 I DON'T THINK SO. IT HAS A BIGGER STORY. 146 00:07:27,310 --> 00:07:28,586 Narrator: N.A.S.A. SCIENTISTS 147 00:07:28,586 --> 00:07:31,551 HAVE THEORIZED THAT THE UNEXPECTED VIBRATIONS 148 00:07:31,551 --> 00:07:35,758 COME FROM LOW LEVELS OF WATER IN THE MOON'S CRUST. 149 00:07:35,758 --> 00:07:38,758 THE EARTH IS A WATER-RICH PLANET. 150 00:07:38,758 --> 00:07:40,931 WE HAVE WATER COVERING THE SURFACE, 151 00:07:40,931 --> 00:07:44,034 BUT THERE'S ALSO LOTS OF WATER THAT'S BEEN BURIED DEEP 152 00:07:44,034 --> 00:07:46,034 INSIDE THE EARTH'S MANTLE. 153 00:07:46,034 --> 00:07:49,206 [ OBJECTS SHATTERING ] 154 00:07:49,206 --> 00:07:51,931 WHEN YOU HAVE AN EARTHQUAKE, THE WATER IN THE EARTH 155 00:07:51,931 --> 00:07:53,793 ABSORBS THAT SIGNAL VERY QUICKLY, 156 00:07:53,793 --> 00:07:55,000 LIKE SHOCK ABSORBERS. 157 00:07:55,000 --> 00:07:57,482 [ SHATTERING CONTINUES ] 158 00:07:57,482 --> 00:08:01,344 BUT ON THE MOON, THERE'S MUCH LESS WATER ON THE SURFACE 159 00:08:01,344 --> 00:08:05,758 AND THEN ALSO VERY LITTLE WATER INSIDE THE INTERIOR OF THE MOON. 160 00:08:05,758 --> 00:08:08,896 WITHOUT THE WATER, IT MAKES IT KEEP ON RINGING. 161 00:08:08,896 --> 00:08:10,724 Narrator: THE IDEA OF A HOLLOW MOON 162 00:08:10,724 --> 00:08:13,724 REMAINS SCIENCE FICTION... 163 00:08:13,724 --> 00:08:17,310 AT LEAST FOR NOW. 164 00:08:17,310 --> 00:08:19,103 N.A.S.A.'s GEOLOGICAL RESEARCH 165 00:08:19,103 --> 00:08:22,103 IS CONSTANTLY EXPANDING THE BOUNDARIES 166 00:08:22,103 --> 00:08:26,793 OF HUMAN KNOWLEDGE BY UNLOCKING THE SECRETS OF DISTANT WORLDS. 167 00:08:26,793 --> 00:08:30,344 BUT MANY OF THE SPACE AGENCY'S STRANGEST DISCOVERIES 168 00:08:30,344 --> 00:08:32,034 ARE FOUND CLOSER TO HOME. 169 00:08:34,000 --> 00:08:35,068 [ WHOOSHES ] 170 00:08:37,034 --> 00:08:39,413 AGENT WHITE WAS DEEP INTO THE UNKNOWN. 171 00:08:39,413 --> 00:08:40,586 HE WAS EXPERIENCING THINGS 172 00:08:40,586 --> 00:08:42,482 THAT NO PILOT HAD EVER ENCOUNTERED BEFORE. 173 00:08:42,482 --> 00:08:45,241 Narrator: WHEN A N.A.S.A. TEST FLIGHT 174 00:08:45,241 --> 00:08:47,172 SOARS TO THE EDGE OF SPACE, 175 00:08:47,172 --> 00:08:50,172 EVERYONE EXPECTS IT TO BE A SOLO JOURNEY. 176 00:08:50,172 --> 00:08:52,551 WHITE SAID, "THERE ARE THINGS OUT HERE." 177 00:08:52,551 --> 00:08:55,965 WHITE'S THINKING, "WHAT ISTHAT THING, 178 00:08:55,965 --> 00:08:58,241 AND WHAT'S IT DOING IN OUR ATMOSPHERE?" 179 00:09:03,172 --> 00:09:04,689 [ STATIC ] 180 00:09:05,862 --> 00:09:08,793 Narrator: JULY 17, 1962. 181 00:09:08,793 --> 00:09:10,931 AT THE HEIGHT OF THE COLD WAR, 182 00:09:10,931 --> 00:09:14,448 BOTH SUPERPOWERS FIGHT FOR TECHNOLOGICAL SUPREMACY 183 00:09:14,448 --> 00:09:16,448 OVER AIR AND SPACE. 184 00:09:16,448 --> 00:09:20,896 AND N.A.S.A.'s ENGINEERS MAN THE FRONT LINES. 185 00:09:20,896 --> 00:09:22,172 THESE ARE THE EARLY DAYS 186 00:09:22,172 --> 00:09:24,172 OF HIGH-SPEED, HIGH-ALTITUDE FLIGHTS. 187 00:09:24,172 --> 00:09:26,413 EVERYTHING IS NEW. EVERYTHING IS ON THE EDGE. 188 00:09:26,413 --> 00:09:29,241 Narrator: IN 1955, N.A.S.A.'s FORERUNNER, 189 00:09:29,241 --> 00:09:32,482 THE NATIONAL ADVISORY COMMITTEE FOR AERONAUTICS, 190 00:09:32,482 --> 00:09:33,931 COMMISSIONS THE X-15, 191 00:09:33,931 --> 00:09:36,448 A ROCKET-POWERED, SUPERSONIC PLANE, 192 00:09:36,448 --> 00:09:39,206 TO REACH THE EDGE OF EARTH'S ATMOSPHERE. 193 00:09:39,206 --> 00:09:41,482 THE X-15 IS A JOINT VENTURE BETWEEN N.A.S.A. 194 00:09:41,482 --> 00:09:43,206 AND THE UNITED STATES AIR FORCE, 195 00:09:43,206 --> 00:09:45,103 AND IT'S TESTING WHAT THE LIMITS ARE 196 00:09:45,103 --> 00:09:47,482 FOR AIRCRAFT FLYING AT HIGH ALTITUDE INTO SPACE 197 00:09:47,482 --> 00:09:49,172 AND IS DEFINITELY CUTTING-EDGE. 198 00:09:49,172 --> 00:09:52,413 Narrator: THE CHIEF TEST PILOT FOR THE X-15 PROGRAM 199 00:09:52,413 --> 00:09:55,103 IS MAJOR ROBERT WHITE. 200 00:09:55,103 --> 00:09:56,931 A VETERAN OF THREE WARS, 201 00:09:56,931 --> 00:10:00,034 WHITE HOLDS THE RECORD FOR THE FASTEST MANNED FLIGHT EVER, 202 00:10:00,034 --> 00:10:03,758 OVER 4,000 MILES PER HOUR. 203 00:10:07,931 --> 00:10:09,724 MAJOR WHITE AND THE OTHER X-15 PILOTS 204 00:10:09,724 --> 00:10:11,413 WERE FLYING FASTER AND HIGHER 205 00:10:11,413 --> 00:10:13,517 THAN ANYONE HAD EVER FLOWN BEFORE. 206 00:10:15,275 --> 00:10:16,931 [ STATIC ] 207 00:10:16,931 --> 00:10:19,793 Narrator: FIRST, HE HITCHES A RIDE TO 45,000 FEET 208 00:10:19,793 --> 00:10:23,896 UNDER THE WING OF A B-52 MOTHERSHIP. 209 00:10:26,034 --> 00:10:28,379 THEN THOSE ENGINES LIGHT OFF. 210 00:10:28,379 --> 00:10:29,482 [ WHOOSH ] 211 00:10:29,482 --> 00:10:30,931 AT THAT POINT, HE'S ALL ALONE. 212 00:10:30,931 --> 00:10:34,448 Narrator: THE ENGINES BURN FOR 82 SECONDS, 213 00:10:34,448 --> 00:10:39,206 ACCELERATING WHITE TO 3,800 MILES PER HOUR. 214 00:10:39,206 --> 00:10:41,758 NEARLY 60 MILES ABOVE THE EARTH, 215 00:10:41,758 --> 00:10:44,655 HE IS HIGHER THAN ANY PERSON IN RECORDED HISTORY. 216 00:10:49,724 --> 00:10:53,620 HE WAS FLYING VERY HIGH, VERY FAST. 217 00:10:53,620 --> 00:10:57,586 SUDDENLY THERE'S SOMETHING OUT THERE. 218 00:10:57,586 --> 00:10:59,931 Narrator: WHITE RADIOS TO GROUND CONTROL 219 00:10:59,931 --> 00:11:02,482 THAT HE SEES MULTIPLE UNIDENTIFIED OBJECTS. 220 00:11:02,482 --> 00:11:05,862 MAN: There are a lot of things out there. There absolutely is. 221 00:11:05,862 --> 00:11:08,413 Narrator: ONE PARTICULARLY STANDS OUT. 222 00:11:12,000 --> 00:11:17,000 HE SAW THIS STRANGE OBJECT OUTSIDE OF HIS COCKPIT WINDOW. 223 00:11:18,931 --> 00:11:21,241 Narrator: THE OBJECT SEEMS TO SHADOW HIS X-15 224 00:11:21,241 --> 00:11:23,344 AS HE ZOOMS THROUGH THE UPPER ATMOSPHERE 225 00:11:23,344 --> 00:11:27,310 AT MORE THAN FIVE TIMES THE SPEED OF SOUND. 226 00:11:27,310 --> 00:11:30,586 IT'S A GREAT SURPRISE. DOESN'T EXPECT TO SEE ANYTHING UP THERE. 227 00:11:31,793 --> 00:11:34,931 HE'S GOTTA FIGURE OUT HOW FAR AWAY THEY ARE, HOW BIG THEY ARE, 228 00:11:34,931 --> 00:11:38,068 HOW THEY'RE MOVING RELATIVE TO HIM. ARE THEY DANGEROUS? 229 00:11:38,068 --> 00:11:41,379 Narrator: THE OBJECT KEEPS PACE WITH THE FASTEST AIRCRAFT 230 00:11:41,379 --> 00:11:42,965 HUMANITY HAS EVER PRODUCED 231 00:11:42,965 --> 00:11:46,310 FOR SEVERAL MINUTES BEFORE WHITE STARTS HIS DESCENT. 232 00:11:46,310 --> 00:11:47,482 I DON'T THINK HE KNEW WHAT IT WAS, 233 00:11:47,482 --> 00:11:49,034 AND HE WAS THE ONE LOOKING AT IT. 234 00:11:49,034 --> 00:11:50,793 YOU'RE KIND OF LEFT WITH THE QUESTION, 235 00:11:50,793 --> 00:11:52,172 "WHAT THE HECK COULD THAT HAVE BEEN?" 236 00:11:53,793 --> 00:11:56,793 [ ROARING ] 237 00:11:58,034 --> 00:12:01,034 Narrator: WHEN WHITE LANDS, HE REPORTS HIS SIGHTING 238 00:12:01,034 --> 00:12:03,172 TO ENGINEERS AS PART OF HIS DEBRIEF. 239 00:12:03,172 --> 00:12:05,448 Oberg: WHITE'S STORY REMAINS CONSISTENT. 240 00:12:05,448 --> 00:12:08,827 THE OBJECTS ARE SMALL, ABOUT THE SIZE OF HIS HAND, 241 00:12:08,827 --> 00:12:10,206 30 OR 40 FEET AWAY, 242 00:12:10,206 --> 00:12:13,310 TUMBLING AND MOVING ALONG IN FLIGHT WITH HIM. 243 00:12:13,310 --> 00:12:15,620 ALL THESE ARE VERY PUZZLING ASPECTS. 244 00:12:15,620 --> 00:12:18,448 IT'S JUST VERY DIFFICULT TO IMAGINE WHAT IT IS 245 00:12:18,448 --> 00:12:20,172 THAT COULD BE TRAVELING AT THE SAME SPEED 246 00:12:20,172 --> 00:12:22,068 AS A MACH 4 ROCKET PLANE. 247 00:12:22,068 --> 00:12:24,620 Narrator: OFFICIAL REPORTS SUGGEST THE OBJECTS 248 00:12:24,620 --> 00:12:27,793 WERE CAUGHT ON FILM BY AT LEAST ONE OF THE ONBOARD CAMERAS, 249 00:12:27,793 --> 00:12:30,448 BUT MYSTERIOUSLY, 250 00:12:30,448 --> 00:12:32,862 THIS FOOTAGE IS NO LONGER AVAILABLE. 251 00:12:34,000 --> 00:12:37,068 NO FOOTAGE. I MEAN, HERE'S A PLANE 252 00:12:37,068 --> 00:12:40,551 THAT'S BRISTLING WITH ALL KINDS OF CAMERAS. 253 00:12:40,551 --> 00:12:44,862 IF A FILM EXISTS OF WHAT'S GOING ON OUTSIDE THAT COCKPIT 254 00:12:44,862 --> 00:12:50,034 OF AN OBJECT, YOU CAN BET THAT WILL NEVER SEE THE LIGHT OF DAY. 255 00:12:54,206 --> 00:12:56,586 Narrator: WITHOUT THE CRUCIAL FOOTAGE, 256 00:12:56,586 --> 00:12:58,586 WHITE'S TESTIMONY IS THE ONLY CLEAR EVIDENCE 257 00:12:58,586 --> 00:13:02,068 OF THE MYSTERIOUS OBJECT AT THE EDGE OF SPACE. 258 00:13:02,068 --> 00:13:03,586 THIS ISN'T THE TYPE OF INDIVIDUAL 259 00:13:03,586 --> 00:13:05,448 WHO'S GONNA MAKE UP SOMETHING OR IMAGINE IT. 260 00:13:05,448 --> 00:13:06,620 HE SAW A U.F.O., 261 00:13:06,620 --> 00:13:09,655 AND HE HAD NO REASON TO FABRICATE THAT STORY. 262 00:13:09,655 --> 00:13:13,172 THIS IS A N.A.S.A. AIR FORCE MISSION 263 00:13:13,172 --> 00:13:14,655 FLOWN BY AN AIR FORCE PILOT. 264 00:13:14,655 --> 00:13:16,620 YOU DON'T GET MORE CREDIBLE THAN THAT. 265 00:13:16,620 --> 00:13:19,827 Narrator: ONE IDEA IS THAT THE UNKNOWN OBJECTS 266 00:13:19,827 --> 00:13:23,448 COULD BE THE REMAINS OF A SATELLITE OR SPACECRAFT. 267 00:13:23,448 --> 00:13:26,758 THE LIKELIHOOD OF IT BEING MAN-MADE SPACE JUNK 268 00:13:26,758 --> 00:13:28,413 OR SATELLITES IS EXTREMELY REMOTE 269 00:13:28,413 --> 00:13:30,068 BECAUSE THERE WEREN'T MANY THINGS 270 00:13:30,068 --> 00:13:32,000 THAT HAD BEEN UP THAT HIGH AT THAT TIME. 271 00:13:32,000 --> 00:13:34,172 I DON'T KNOW WHAT IT WAS. BUT IT CERTAINLY, 272 00:13:34,172 --> 00:13:38,275 AS FAR AS WE KNOW, WASN'T ANYTHING OF OURS. 273 00:13:38,275 --> 00:13:41,724 Narrator: N.A.S.A. OFFICIALLY DESCRIBES THE PHENOMENON 274 00:13:41,724 --> 00:13:42,965 AS A BYPRODUCT 275 00:13:42,965 --> 00:13:46,172 OF THE X-15's EXPERIMENTAL PROPULSION SYSTEM. 276 00:13:46,172 --> 00:13:48,413 BECAUSE OF THE SUPERCOOLED LIQUID NITROGEN IN USE, 277 00:13:48,413 --> 00:13:50,689 YOU WOULD GET ICE CRYSTALS AND ICE FLAKES FORMING 278 00:13:50,689 --> 00:13:52,241 ON THE OUTSIDE OF THE AIRCRAFT, 279 00:13:52,241 --> 00:13:55,965 AND AS THE AIRCRAFT MANEUVERS AS IT'S IN ITS FLIGHT, 280 00:13:55,965 --> 00:13:58,827 YOU'LL GET BREAKING OFF OF THESE ICE CRYSTALS AND FLAKES. 281 00:13:58,827 --> 00:14:02,793 IF YOU'RE UP AT 300,000 FEET, THE SUNLIGHT IS GONNA REFLECT 282 00:14:02,793 --> 00:14:04,551 OFF OF THAT VERY STRONGLY 283 00:14:04,551 --> 00:14:06,172 AND MAKE IT VERY, VERY BRIGHT. 284 00:14:06,172 --> 00:14:08,275 Narrator: AT LOWER ALTITUDES, 285 00:14:08,275 --> 00:14:10,413 TRAVELING AT SUCH HIGH SPEEDS, 286 00:14:10,413 --> 00:14:13,931 FRICTION WITH THE AIR WOULD GENERATE INTENSE HEAT, 287 00:14:13,931 --> 00:14:16,896 MELTING ICE CRYSTALS AS SOON AS THEY FORM. 288 00:14:16,896 --> 00:14:18,275 WHEN YOU THINK OF A ROCKET PLANE 289 00:14:18,275 --> 00:14:20,344 GOING THOUSANDS OF MILES AN HOUR, YOU THINK OF FRICTION. 290 00:14:20,344 --> 00:14:22,000 BUT IT WAS ALSO IN A VACUUM, 291 00:14:22,000 --> 00:14:24,620 AND THERE WAS PRECIOUS LITTLE AIR AROUND IT. 292 00:14:24,620 --> 00:14:27,275 THERE'S VERY LITTLE RESISTANCE. THERE'S VERY LITTLE FRICTION 293 00:14:27,275 --> 00:14:28,931 ON THE OUTSIDE OF THE SPACECRAFT. 294 00:14:28,931 --> 00:14:31,931 SO THESE ICE CRYSTALS ARE GONNA FLOAT ALONG WITH THE AIRCRAFT. 295 00:14:34,034 --> 00:14:36,448 Narrator: WHITE REMAINED UNCERTAIN 296 00:14:36,448 --> 00:14:38,482 ABOUT WHAT HE SAW ON THE FLIGHT. 297 00:14:38,482 --> 00:14:42,379 MANY OTHERS ARE RELUCTANT TO ACCEPT THE OFFICIAL EXPLANATION. 298 00:14:42,379 --> 00:14:46,344 UNLESS THEY FULLY ADMIT TO WHAT SOME OF THEIR PILOTS, 299 00:14:46,344 --> 00:14:48,413 THEIR ASTRONAUTS HAVE SEEN, 300 00:14:48,413 --> 00:14:50,413 WE'RE NEVER GONNA GET TO THE BOTTOM OF THE STORY. 301 00:14:51,586 --> 00:14:53,413 [ STATIC ] 302 00:14:53,413 --> 00:14:56,344 Narrator: UP NEXT -- N.A.S.A. REOPENS THE CASE FILE 303 00:14:56,344 --> 00:14:59,758 FROM A U.F.O. SIGHTING IN PENNSYLVANIA. 304 00:15:12,655 --> 00:15:15,896 [ WHOOSHING ] 305 00:15:15,896 --> 00:15:17,482 Narrator: WHEN AN UNIDENTIFIED OBJECT 306 00:15:17,482 --> 00:15:19,758 CRASH-LANDS IN PENNSYLVANIA... 307 00:15:19,758 --> 00:15:21,137 [ EXPLOSION ] 308 00:15:21,137 --> 00:15:22,965 THIS THING DIDN'T COME DOWN IN THE MIDDLE OF NOWHERE. 309 00:15:22,965 --> 00:15:24,482 IT LANDED 30 MILES SOUTHEAST OF PITTSBURGH. 310 00:15:24,482 --> 00:15:28,103 THE QUESTION IS, "WHAT WAS IT, AND WHERE DID IT COME FROM?" 311 00:15:28,103 --> 00:15:30,068 Narrator: RUMORS OF N.A.S.A. INVOLVEMENT 312 00:15:30,068 --> 00:15:32,724 IN THE INCIDENT SPREAD FAST. 313 00:15:32,724 --> 00:15:36,517 AFTER N.A.S.A. RETRIEVED THIS OBJECT, 314 00:15:36,517 --> 00:15:40,655 THERE WAS A CONE OF SILENCE THAT DROPPED OVER IT. 315 00:15:40,655 --> 00:15:42,034 SO WHAT ACTUALLY HAPPENED? 316 00:15:42,034 --> 00:15:44,655 ACCORDING TO THE UNITED STATES AIR FORCE THEMSELVES, 317 00:15:44,655 --> 00:15:46,344 "THERE WAS NOTHING TO BE SEEN HERE, FOLKS." 318 00:15:51,413 --> 00:15:55,724 Narrator: N.A.S.A. HOPES THAT IT'S GROUNDBREAKING RESEARCH 319 00:15:55,724 --> 00:15:57,827 MAY ONE DAY ANSWER QUESTIONS 320 00:15:57,827 --> 00:16:01,413 ABOUT WHETHER MANKIND IS ALONE IN THE UNIVERSE. 321 00:16:02,413 --> 00:16:05,827 BUT OTHERS BELIEVE THOSE ANSWERS CAN ALREADY BE FOUND 322 00:16:05,827 --> 00:16:09,379 IN CHAPTERS FROM THE SPACE AGENCY'S PAST. 323 00:16:09,379 --> 00:16:11,344 WE GOT CUT OFF. STAND BY.MAN: Roger. 324 00:16:12,689 --> 00:16:15,724 Narrator: DECEMBER 9, 1965. 325 00:16:15,724 --> 00:16:19,172 A DAZZLING FIREBALL BURNS THROUGH THE EARLY EVENING SKY 326 00:16:19,172 --> 00:16:21,241 OVER PENNSYLVANIA. 327 00:16:21,241 --> 00:16:23,517 [ WHOOSHING ] 328 00:16:23,517 --> 00:16:26,068 IT LOOKED LIKE IT WAS FLAMING, BUT IT WAS REALLY GLOWING. 329 00:16:26,068 --> 00:16:29,310 WHATEVER IT IS, IT'S MOVING INCREDIBLY FAST. 330 00:16:33,344 --> 00:16:35,862 Narrator: THOUSANDS OF PEOPLE SEE THE BRILLIANT LIGHT 331 00:16:35,862 --> 00:16:41,344 AS IT RACES ACROSS THE CANADIAN BORDER INTO THE UNITED STATES. 332 00:16:41,344 --> 00:16:45,103 IT MADE THIS LONG S-CURVE, 333 00:16:45,103 --> 00:16:49,310 FLEW OVER OHIO OVER THE WESTERN BORDER OF PENNSYLVANIA. 334 00:16:52,379 --> 00:16:54,862 Narrator: INITIAL REPORTS SUGGEST THE FIREBALL 335 00:16:54,862 --> 00:16:57,379 IS NOTHING MORE THAN AN UNUSUALLY LARGE METEOR. 336 00:16:57,379 --> 00:16:59,517 THEN WE START GETTING REPORTS FROM KECKSBURG 337 00:16:59,517 --> 00:17:02,172 THAT SOMETHING HAS LANDED IN THE WOODS OUTSIDE OF TOWN. 338 00:17:02,172 --> 00:17:05,000 Narrator: IN THE SMALL, RURAL TOWN OF KECKSBURG, 339 00:17:05,000 --> 00:17:07,586 30 MILES OUTSIDE OF PITTSBURGH, 340 00:17:07,586 --> 00:17:10,241 LOCAL RESIDENTS REPORT A MYSTERIOUS OBJECT 341 00:17:10,241 --> 00:17:11,551 FALLING FROM THE SKY. 342 00:17:14,517 --> 00:17:16,655 THE PEOPLE WHO SAW THIS THING COME DOWN 343 00:17:16,655 --> 00:17:17,931 SAID IT WAS A CONTROLLED LANDING. 344 00:17:17,931 --> 00:17:19,068 IT WASN'T A CRASH. 345 00:17:19,068 --> 00:17:22,241 Narrator: THE SIGHT SHOCKS LOCAL WITNESSES. 346 00:17:22,241 --> 00:17:25,620 PEOPLE SAW THIS THING COMING DOWN FROM THE SKIES, 347 00:17:25,620 --> 00:17:28,068 AN OBJECT, ACORN-SHAPED. 348 00:17:29,482 --> 00:17:34,965 IT WAS ABOUT 8 TO 10 FEET. IT WAS GLOWING A PURPLISH-BLUE. 349 00:17:34,965 --> 00:17:37,896 IT LOOKED HOT, AND IT WAS PULSATING. 350 00:17:37,896 --> 00:17:40,413 IT HAD THESE STRANGE MARKINGS ALONG THE BASE, 351 00:17:40,413 --> 00:17:43,689 AND NOBODY COULD MAKE OUT WHAT THE MARKINGS WERE. 352 00:17:44,896 --> 00:17:46,448 [ LIGHTS CLICK ] 353 00:17:46,448 --> 00:17:48,413 Man over P.A.: THIS IS NOW A MILITARY ZONE. 354 00:17:48,413 --> 00:17:50,689 CLEAR THE AREA IMMEDIATELY. 355 00:17:50,689 --> 00:17:52,310 Narrator: WITHIN HOURS, 356 00:17:52,310 --> 00:17:55,620 THE MILITARY CORDONS OFF THE ENTIRE AREA. 357 00:17:57,931 --> 00:18:00,896 THESE ARMY TROOPS 358 00:18:00,896 --> 00:18:05,931 DID NOT HAVE ANY IDENTIFYING INSIGNIA ON THEM. 359 00:18:05,931 --> 00:18:07,482 NOBODY KNEW WHO THEY WERE. 360 00:18:07,482 --> 00:18:11,068 THEY SHOW UP. THEY CORDON OFF THE AREA. 361 00:18:11,068 --> 00:18:13,206 EVEN THE PENNSYLVANIA STATE TROOPERS, 362 00:18:13,206 --> 00:18:18,137 WHO WERE CALLED TO THE SITE -- THEY WERE THROWN OFF THE SITE. 363 00:18:18,137 --> 00:18:20,620 WITNESSES REPORT THAT WHEN THEY WENT OUT TO THE SCENE, 364 00:18:20,620 --> 00:18:22,931 THEY RAN INTO FOLKS WHO CLAIMED TO BE N.A.S.A. 365 00:18:24,931 --> 00:18:28,689 WHY WOULD N.A.S.A. SHOW UP? 366 00:18:28,689 --> 00:18:30,172 I MEAN, IT MAKES NO SENSE. 367 00:18:32,793 --> 00:18:35,758 Narrator: WITNESSES AT THE SCENE REPORT SEEING SOMETHING 368 00:18:35,758 --> 00:18:38,758 LOADED ON THE BACK OF A FLATBED TRUCK. 369 00:18:40,689 --> 00:18:44,344 PEOPLE SAW MILITARY, BIG VEHICLES, 370 00:18:44,344 --> 00:18:47,517 CARTING AWAY THIS ACORN-SHAPED THING. 371 00:18:47,517 --> 00:18:49,931 IT WAS KIND OF, "WHAT'S GOING ON HERE?" 372 00:18:51,068 --> 00:18:53,827 Narrator: IN SPITE OF CREDIBLE WITNESS REPORTS, 373 00:18:53,827 --> 00:18:56,689 FOR FOUR DECADES, THE OFFICIAL EXPLANATION 374 00:18:56,689 --> 00:19:01,793 IS THAT NOTHING WAS RECOVERED IN THE WOODS OUTSIDE KECKSBURG 375 00:19:01,793 --> 00:19:06,586 AND THAT THE FIREBALL IN THE SKY WAS JUST A METEOR. 376 00:19:06,586 --> 00:19:08,034 [ BIRDS CHIRPING ] 377 00:19:08,034 --> 00:19:10,586 BUT THE STORY THAT SOMETHING UNIDENTIFIED 378 00:19:10,586 --> 00:19:14,068 CRASHED IN THE WOODS REFUSES TO GO AWAY. 379 00:19:15,206 --> 00:19:18,068 SOME SPECULATE THAT THE "KECKSBURG U.F.O." 380 00:19:18,068 --> 00:19:22,103 CAN BE EXPLAINED BY THE RE-ENTRY OF A KOSMOS 96 SOVIET SATELLITE. 381 00:19:23,379 --> 00:19:28,000 Narrator: KOSMOS 96 WAS A SOVIET PROBE THAT WAS HEADED TO VENUS 382 00:19:28,000 --> 00:19:30,758 BUT FAILED AFTER TAKEOFF AND CRASHED. 383 00:19:32,206 --> 00:19:34,827 BUT THIS APPARENTLY STRAIGHTFORWARD EXPLANATION 384 00:19:34,827 --> 00:19:37,965 DOESN'T FIT WITH THE U.S. AIR FORCE SPACE COMMAND'S RECORD 385 00:19:37,965 --> 00:19:40,000 OF THE SOVIET SATELLITE'S FATE. 386 00:19:41,551 --> 00:19:44,034 THEIR REPORT CONCLUDED THAT THERE WAS A CRASH 387 00:19:44,034 --> 00:19:46,172 OF A SOVIET SPACE PROBE, 388 00:19:46,172 --> 00:19:50,655 BUT THAT HAPPENED 13 HOURS BEFORE THE KECKSBURG INCIDENT. 389 00:19:50,655 --> 00:19:53,448 Narrator: THE STORIES SURROUNDING THE INCIDENT 390 00:19:53,448 --> 00:19:55,620 REMAINED UNEXPLAINED FOR DECADES, 391 00:19:55,620 --> 00:19:58,310 UNTIL 2003, WHEN A N.A.S.A. CHIEF SCIENTIST, 392 00:19:58,310 --> 00:20:01,448 NICHOLAS L. JOHNSON, PURPORTEDLY STATES 393 00:20:01,448 --> 00:20:04,586 THAT IT IS IMPOSSIBLE FOR DEBRIS FROM THE RUSSIAN PROBE 394 00:20:04,586 --> 00:20:07,379 TO HAVE LANDED IN KECKSBURG AT THAT TIME OF DAY. 395 00:20:09,310 --> 00:20:10,965 BUT JUST TWO YEARS LATER, 396 00:20:10,965 --> 00:20:14,551 N.A.S.A. RELEASES A STATEMENT WHICH SEEMS TO CONTRADICT 397 00:20:14,551 --> 00:20:19,000 BOTH ITS OWN CHIEF SCIENTIST AND ALL THE PREVIOUS STORIES. 398 00:20:19,000 --> 00:20:21,862 IN 2005, WE GET THIS N.A.S.A. STATEMENT 399 00:20:21,862 --> 00:20:24,137 CONFIRMING THAT THEIR SCIENTISTS 400 00:20:24,137 --> 00:20:27,275 DID ANALYZE METAL FRAGMENTS FROM THIS OBJECT. 401 00:20:27,275 --> 00:20:31,034 THE N.A.S.A. REPORT CONCLUDED THAT THESE METAL FRAGMENTS 402 00:20:31,034 --> 00:20:34,793 DID COME FROM THIS DOWNED SOVIET SPACE PROBE. 403 00:20:34,793 --> 00:20:38,827 Narrator: TO DATE, ALL REQUESTS TO N.A.S.A.'s MISSING DOCUMENTS 404 00:20:38,827 --> 00:20:40,896 HAVE BEEN UNSUCCESSFUL. 405 00:20:40,896 --> 00:20:42,827 N.A.S.A.'s OWN CATALOGING SYSTEM 406 00:20:42,827 --> 00:20:45,379 SAYS THERE SHOULD BE TWO BOXES OF DOCUMENTS 407 00:20:45,379 --> 00:20:46,862 ABOUT KECKSBURG INCIDENT. 408 00:20:46,862 --> 00:20:49,206 BUT SOME TIME IN THE LAST FOUR DECADES, 409 00:20:49,206 --> 00:20:51,241 THEY'VE APPARENTLY GONE MISSING. 410 00:20:51,241 --> 00:20:54,413 Narrator: WE MAY NEVER KNOW WHETHER THE MISSING DOCUMENTS 411 00:20:54,413 --> 00:20:56,793 REVEAL THE TRUTH ABOUT WHAT WAS RECOVERED 412 00:20:56,793 --> 00:20:59,482 THAT NIGHT AT KECKSBURG. 413 00:20:59,482 --> 00:21:01,793 WHAT WAS IT? I DON'T KNOW. 414 00:21:01,793 --> 00:21:04,241 BUT THE GOVERNMENT OBVIOUSLY GRABBED IT AND RAN WITH IT, 415 00:21:04,241 --> 00:21:08,793 AND THEY'RE NOT TALKING ABOUT. AND THEY GOT AWAY WITH IT. 416 00:21:08,793 --> 00:21:12,241 Narrator: COMING UP, A N.A.S.A. PROBE 417 00:21:12,241 --> 00:21:14,931 FINDS SOMETHING THAT SHOULD BE IMPOSSIBLE 418 00:21:14,931 --> 00:21:18,103 ON A PLANETARY SURFACE HOT ENOUGH TO MELT LEAD. 419 00:21:28,758 --> 00:21:30,310 Narrator: WHEN A N.A.S.A. PROBE 420 00:21:30,310 --> 00:21:32,482 REACHES THE CLOSEST PLANET TO OUR SUN... 421 00:21:32,482 --> 00:21:33,620 MERCURY'S PRETTY STRANGE. 422 00:21:35,310 --> 00:21:38,586 TEMPERATURES ARE EXTREMELY HOT. HOT ENOUGH TO MELT LEAD. 423 00:21:38,586 --> 00:21:42,034 Narrator: IN THE MIDST OF A SUPERHEATED HELL, 424 00:21:42,034 --> 00:21:44,482 IT DISCOVERS SOMETHING IMPOSSIBLE. 425 00:21:44,482 --> 00:21:47,068 THERE'S REALLY WATER ICE THERE, AND IT'S VERY BIZARRE. 426 00:21:47,068 --> 00:21:49,758 MERCURY'S A PLANET THAT'S SO HOT, 427 00:21:49,758 --> 00:21:51,344 SO CLOSE TO THE SUN 428 00:21:51,344 --> 00:21:54,172 THAT NO LIVING CREATURE CAN EXIST ON IT. 429 00:21:54,172 --> 00:21:56,103 WHY IS THERE WATER ON MERCURY? 430 00:22:07,241 --> 00:22:09,689 Narrator: N.A.S.A.'s SEARCH FOR LIFE TAKES IT 431 00:22:09,689 --> 00:22:12,172 TO EVERY CORNER OF THE SOLAR SYSTEM. 432 00:22:12,172 --> 00:22:14,896 BUT OF THE MANY SCIENTISTS WORKING 433 00:22:14,896 --> 00:22:17,724 ON THE MESSENGER MISSION TO MERCURY, 434 00:22:17,724 --> 00:22:21,689 NONE ARE EXPECTING TO SEE SIGNS OF LIFE. 435 00:22:21,689 --> 00:22:24,965 FOR PROFESSOR SEAN SOLOMON, THE PROBE'S FINAL APPROACH 436 00:22:24,965 --> 00:22:27,482 IS THE MOMENT OF TRUTH AFTER AN 8-YEAR WAIT. 437 00:22:27,482 --> 00:22:29,965 Solomon: THERE'S A PERFECT ORBIT ABSORPTION. 438 00:22:29,965 --> 00:22:32,931 WE ALL BREATHE A SIGH OF RELIEF. 439 00:22:32,931 --> 00:22:34,896 [ SONAR BEEPING ] 440 00:22:34,896 --> 00:22:37,241 THE TEAM JUST EXPLODED WITH DELIGHT. 441 00:22:37,241 --> 00:22:39,413 WE WERE THERE, AND IT WAS WORKING. 442 00:22:39,413 --> 00:22:43,965 Narrator: AS MESSENGER PASSES OVER MERCURY'S NORTH POLE, 443 00:22:43,965 --> 00:22:46,344 IT DETECTS SOMETHING STRANGE. 444 00:22:49,724 --> 00:22:52,172 HYDROGEN MEASUREMENTS THAT 445 00:22:52,172 --> 00:22:53,689 THERE WAS A LOT OF WATER ICE THERE. 446 00:22:53,689 --> 00:22:56,931 10 OF CENTIMETERS, MAYBE METERS, IN THICKNESS 447 00:22:56,931 --> 00:22:58,724 OF NEARLY PURE-WATER ICE. 448 00:22:58,724 --> 00:23:01,034 [ STATIC ] 449 00:23:01,034 --> 00:23:04,448 WATER ICE ON THIS VERY HOT PLACE -- VERY BIZARRE. 450 00:23:05,689 --> 00:23:07,827 Narrator: SCIENTISTS HAVE LONG BELIEVED 451 00:23:07,827 --> 00:23:10,068 THAT MERCURY IS COMPLETELY UNINHABITABLE. 452 00:23:10,068 --> 00:23:13,482 BUT THE DISCOVERY OF ICE ON THE HELL PLANET 453 00:23:13,482 --> 00:23:16,344 RAISES NEW QUESTIONS... 454 00:23:16,344 --> 00:23:18,896 INCLUDING "HOW DID THE ICE GET THERE, 455 00:23:18,896 --> 00:23:20,655 AND WHY HASN'T IT MELTED?" 456 00:23:21,931 --> 00:23:23,517 IT WASN'T EVERYWHERE IN THESE POLES. 457 00:23:23,517 --> 00:23:24,931 IT WASN'T A POLAR CAP. 458 00:23:24,931 --> 00:23:29,034 THE DEPOSITS WERE LOCALIZED TO THE FLOORS OF IMPACT CRATERS. 459 00:23:29,034 --> 00:23:30,655 WHAT WE FOUND WAS THAT 460 00:23:30,655 --> 00:23:33,413 THERE, IN FACT, WERE LOCATIONS INSIDE THESE CRATERS 461 00:23:33,413 --> 00:23:35,862 THAT COULD BE COLD ENOUGH TO HAVE ICE IN IT. 462 00:23:35,862 --> 00:23:38,310 Narrator: LYING DEEP IN THE CRATERS, 463 00:23:38,310 --> 00:23:41,724 THE WATER ICE IS SHIELDED FROM THE SUN'S POWERFUL RAYS. 464 00:23:41,724 --> 00:23:44,793 AND THANKS TO MERCURY'S SPIN AXIS, 465 00:23:44,793 --> 00:23:48,517 THE PLANET'S POLES STAY PERMANENTLY FROZEN. 466 00:23:48,517 --> 00:23:50,068 THE POLE IS STRAIGHT UP AND DOWN, 467 00:23:50,068 --> 00:23:51,827 YOU KNOW, PERPENDICULAR TO THE ORBIT. 468 00:23:53,931 --> 00:23:57,137 Solomon: THE POLES OF MERCURY ARE EXTRAORDINARILY COLD -- 469 00:23:57,137 --> 00:23:58,931 MINUS 300 DEGREES FAHRENHEIT. 470 00:23:58,931 --> 00:24:00,931 Baines: THEY DON'T SEE THE SUN, 471 00:24:00,931 --> 00:24:03,827 AND SO THEREFORE, IT STAYS VERY, VERY COLD 472 00:24:03,827 --> 00:24:06,275 AND CAN KEEP WATER FROZEN FOR EONS. 473 00:24:06,275 --> 00:24:10,206 Narrator: WHILE MERCURY'S WEIRD PLANETARY SPIN SEEMS TO EXPLAIN 474 00:24:10,206 --> 00:24:12,137 HOW ICE CAN EXIST, 475 00:24:12,137 --> 00:24:15,827 IT DOESN'T EXPLAIN THE ICE'S ORIGIN. 476 00:24:15,827 --> 00:24:17,793 A CLUE COMES FROM SOMETHING ELSE 477 00:24:17,793 --> 00:24:20,000 DETECTED DEEP INSIDE THE CRATERS. 478 00:24:20,000 --> 00:24:24,896 INSIDE THESE SHATTERED CRATERS, ON THE SURFACE OF THE ICE, 479 00:24:24,896 --> 00:24:28,068 THERE'S A MATERIAL THAT'S ABOUT AS DARK AS COAL. 480 00:24:28,068 --> 00:24:29,482 Solomon: WHAT IS IT? 481 00:24:29,482 --> 00:24:31,827 WHAT IS THAT DARK MATERIAL ON TOP OF THE WATER ICE? 482 00:24:31,827 --> 00:24:35,344 AND THE LEADING IDEA IS THAT IT'S ORGANIC MATERIAL. 483 00:24:35,344 --> 00:24:38,620 Narrator: THIS ORGANIC MATERIAL IS A DARK MIX 484 00:24:38,620 --> 00:24:40,517 OF COMPLEX CARBON MOLECULES 485 00:24:40,517 --> 00:24:44,000 THAT COULD BE ONE OF THE BUILDING BLOCKS OF LIFE, 486 00:24:44,000 --> 00:24:46,551 AND IT DOESN'T COME FROM MERCURY. 487 00:24:49,034 --> 00:24:51,172 THAT LED US TO THE IDEA THAT, 488 00:24:51,172 --> 00:24:54,896 UH, THE WATER ICE ON MERCURY CAME FROM, UH, OBJECTS 489 00:24:54,896 --> 00:24:56,896 THAT IMPACTED FROM OUTSIDE, 490 00:24:56,896 --> 00:25:00,689 THAT THOSE OBJECTS BROUGHT OTHER VOLATILE COMPOUNDS, 491 00:25:00,689 --> 00:25:02,758 INCLUDING ORGANIC MATERIAL. 492 00:25:02,758 --> 00:25:07,172 Narrator: THE PRIME SUSPECTS FOR DELIVERING THIS MESSY COCKTAIL 493 00:25:07,172 --> 00:25:10,206 OF ICE AND ORGANIC MATERIALS ARE COMETS, 494 00:25:10,206 --> 00:25:13,793 DIRTY SNOWBALLS THAT STREAK ACROSS THE SOLAR SYSTEM 495 00:25:13,793 --> 00:25:16,689 AND FREQUENTLY DIE WHEN THEY GET CLOSE TO THE SUN. 496 00:25:16,689 --> 00:25:19,965 Solomon: JUST LAST YEAR, WE HAD TWO COMETS 497 00:25:19,965 --> 00:25:22,206 THAT PASSED FAIRLY CLOSE TO MERCURY. 498 00:25:22,206 --> 00:25:24,310 Narrator: ONCE EVERY COUPLE MILLION YEARS, 499 00:25:24,310 --> 00:25:26,310 A COMET HITS MERCURY AND THEN VAPORIZES. 500 00:25:26,310 --> 00:25:29,689 THIS MATERIAL HOPS ALONG THE SURFACE AND FINDS ITS WAY 501 00:25:29,689 --> 00:25:31,034 INTO THESE COLD PLACES, 502 00:25:31,034 --> 00:25:33,517 WHERE IT'S THEN FROZEN AND THEN ACCUMULATES. 503 00:25:33,517 --> 00:25:36,068 Narrator: THE INCREDIBLE COMBINATION 504 00:25:36,068 --> 00:25:38,448 OF ONE-IN-A-MILLION COMET IMPACTS 505 00:25:38,448 --> 00:25:42,310 AND DEEP CRATERS AT THE POLES OF A WORLD WHICH DOESN'T TILT 506 00:25:42,310 --> 00:25:44,310 MAKES IT POSSIBLE FOR FROZEN ICE TO EXIST 507 00:25:44,310 --> 00:25:48,206 ON ONE OF THE SOLAR SYSTEM'S HOTTEST PLANETS. 508 00:25:48,206 --> 00:25:51,689 AND IT MIGHT FORCE US TO RETHINK SOME OF OUR IDEAS 509 00:25:51,689 --> 00:25:53,551 ABOUT WHERE LIFE CAN EXIST. 510 00:25:53,551 --> 00:25:55,137 MERCURY REALLY DOES PROVE 511 00:25:55,137 --> 00:25:57,103 THAT THERE CANBE A SNOWBALL'S CHANCE IN HELL. 512 00:26:00,000 --> 00:26:02,551 [ WHOOSH ]STILL TO COME -- 513 00:26:02,551 --> 00:26:04,551 COULD THE SHUTTLE LAUNCH PROVIDE ANSWERS 514 00:26:04,551 --> 00:26:07,379 TO ONE OF THE GREATEST SCIENTIFIC MYSTERIES 515 00:26:07,379 --> 00:26:08,931 OF THE 20th CENTURY? 516 00:26:19,103 --> 00:26:21,965 Narrator: A COLOSSAL EXPLOSION 517 00:26:21,965 --> 00:26:25,931 COMES CLOSE TO WIPING OUT LIFE ON EARTH. 518 00:26:25,931 --> 00:26:27,896 IT'S PROBABLY THE MOST DESTRUCTIVE EVENT 519 00:26:27,896 --> 00:26:29,724 IN THE HISTORY OF HUMAN CIVILIZATION. 520 00:26:29,724 --> 00:26:33,172 Narrator: THE EVIDENCE SEEMS TO POINT 521 00:26:33,172 --> 00:26:35,758 TOWARDS AN ATOMIC APOCALYPSE... 522 00:26:35,758 --> 00:26:40,000 35 YEARS BEFORE THE CREATION OF THE ATOMIC BOMB. 523 00:26:40,000 --> 00:26:43,482 HOW COULD THERE HAVE BEEN AN EXPLOSION 524 00:26:43,482 --> 00:26:47,241 LIKE A NUCLEAR EXPLOSION IN TUNGUSKA IN 1908? 525 00:26:47,241 --> 00:26:49,310 UH, IT'S A DETECTIVE STORY, FOR SURE. 526 00:26:49,310 --> 00:26:51,758 YOU FOLLOW THE FACTS, AND YOU FIND THE KILLER. 527 00:26:54,931 --> 00:26:58,655 Narrator: THE FIRST MAN-MADE ATOMIC EXPLOSION TOOK PLACE 528 00:26:58,655 --> 00:27:01,965 IN THE NEW MEXICO DESERT IN 1945. 529 00:27:03,275 --> 00:27:05,241 BUT IN THE LORE OF ATOMIC SCIENCE, 530 00:27:05,241 --> 00:27:07,620 ANOTHER CHAPTER IS RARELY MENTIONED -- 531 00:27:07,620 --> 00:27:10,000 A STRANGE INCIDENT 532 00:27:10,000 --> 00:27:12,551 IN THE REMOTE TUNGUSKA REGION OF SIBERIA. 533 00:27:12,551 --> 00:27:14,241 IT BEGINS ON A JUNE MORNING, 534 00:27:14,241 --> 00:27:18,103 WHEN A HUNTING TRIP COMES TO AN EXPLOSIVE END. 535 00:27:18,103 --> 00:27:22,551 A LIGHT, BRIGHTER THAN THE SUN, SUDDENLY APPEARS, 536 00:27:22,551 --> 00:27:24,896 STREAKS ACROSS THE SKY... 537 00:27:24,896 --> 00:27:27,000 AND EXPLODES. 538 00:27:27,000 --> 00:27:29,551 [ EXPLOSION ] 539 00:27:29,551 --> 00:27:31,931 THE LOCALS TRULY BELIEVE 540 00:27:31,931 --> 00:27:34,482 THAT IT WAS THEIR GOD BRINGING ABOUT THE END OF THE WORLD. 541 00:27:34,482 --> 00:27:37,620 Narrator: THE MASSIVE EXPLOSION DESTROYS AN AREA 542 00:27:37,620 --> 00:27:39,896 MORE THAN TWICE THE SIZE OF NEW YORK CITY 543 00:27:39,896 --> 00:27:42,068 AND PRODUCES SHOCK WAVES POWERFUL ENOUGH 544 00:27:42,068 --> 00:27:46,034 TO CAUSE VIBRATIONS 3,000 MILES AWAY. 545 00:27:46,034 --> 00:27:48,068 FOR MORE THAN 100 YEARS, 546 00:27:48,068 --> 00:27:51,103 THE CAUSE OF THE SO-CALLED TUNGUSKA EVENT 547 00:27:51,103 --> 00:27:53,241 REMAINS AN ENIGMA. 548 00:27:53,241 --> 00:27:55,413 IT'S PROBABLY THE MOST DESTRUCTIVE EVENT IN THE HISTORY 549 00:27:55,413 --> 00:27:56,896 OF HUMAN CIVILIZATION, 550 00:27:56,896 --> 00:27:59,517 BUT THERE'S NO TRACE OF WHAT ACTUALLY HIT US. 551 00:27:59,517 --> 00:28:01,862 THIS IS ONE OF THE MOST ENDURING MYSTERIES 552 00:28:01,862 --> 00:28:04,034 OF 20th-CENTURY SCIENCE. 553 00:28:04,034 --> 00:28:05,068 [ STATIC ] 554 00:28:05,068 --> 00:28:06,827 Narrator: THE IMPACT SITE IS SO REMOTE 555 00:28:06,827 --> 00:28:09,448 THAT THE FIRST INVESTIGATORS DON'T ARRIVE 556 00:28:09,448 --> 00:28:12,206 UNTIL 19 YEARS AFTER THE EVENT. 557 00:28:12,206 --> 00:28:15,310 THE ONLY CLUE THEY FIND IS THE INCREDIBLE ARRANGEMENT 558 00:28:15,310 --> 00:28:19,379 OF MILLIONS OF DEAD TREES. 559 00:28:19,379 --> 00:28:21,379 EXPLORERS OUT THERE FOUND THESE TREES, 560 00:28:21,379 --> 00:28:23,827 RADIALLY KNOCKED DOWN FROM A CENTER POINT, 561 00:28:23,827 --> 00:28:27,034 AND THEY COULDN'T FIGURE OUT WHAT -- WHAT REALLY HAPPENED. 562 00:28:27,034 --> 00:28:29,206 Narrator: THE INVESTIGATION REVEALS 563 00:28:29,206 --> 00:28:32,103 THAT SOMETHING BURNED AND STRIPPED THE TREES. 564 00:28:35,655 --> 00:28:38,620 THE WAY THE TREES HAD BEEN BURNT, STRIPPED, 565 00:28:38,620 --> 00:28:41,448 AND BLOWN DOWN AT TUNGUSKA 566 00:28:41,448 --> 00:28:44,413 WAS ALMOST EXACTLY THE SAME WAY AS IN A NUCLEAR EXPLOSION. 567 00:28:47,379 --> 00:28:51,103 SO THE QUESTION IS, HOW COULD THERE HAVE BEEN AN EXPLOSION, 568 00:28:51,103 --> 00:28:54,724 LIKE A NUCLEAR EXPLOSION IN TUNGUSKA IN 1908? 569 00:28:54,724 --> 00:29:01,827 WE WOULDN'T HAVE NUCLEAR WEAPONS FOR ANOTHER 35 YEARS. 570 00:29:01,827 --> 00:29:03,827 Narrator: WITH NO EARTHLY EXPLANATION, 571 00:29:03,827 --> 00:29:06,827 SCIENTISTS TURN TO THE HEAVENS. 572 00:29:10,310 --> 00:29:12,137 THE FACT THAT THERE WAS SUCH SIGNIFICANT DEVASTATION 573 00:29:12,137 --> 00:29:14,137 AT A TIME WHEN THERE WAS 574 00:29:14,137 --> 00:29:16,310 NO NUCLEAR CAPABILITY ON THIS PLANET 575 00:29:16,310 --> 00:29:17,655 MADE PEOPLE WONDER, 576 00:29:17,655 --> 00:29:22,137 "IS IT POSSIBLE THAT SOMETHING CAME FROM THE STARS?" 577 00:29:22,137 --> 00:29:23,517 Narrator: FOR MOST OF THE 20th CENTURY, 578 00:29:23,517 --> 00:29:26,413 SCIENTISTS BELIEVED THAT A MASSIVE ASTEROID IMPACT 579 00:29:26,413 --> 00:29:28,206 CAUSED THE TUNGUSKA EVENT, 580 00:29:28,206 --> 00:29:33,137 BUT THEY LACK A CRUCIAL PIECE OF EVIDENCE. 581 00:29:33,137 --> 00:29:39,103 THE PROBLEM IS, THERE IS NO CRATER AT TUNGUSKA, 582 00:29:39,103 --> 00:29:42,000 SO WHERE DID THAT ASTEROID GO? 583 00:29:42,000 --> 00:29:45,172 Narrator: GEOPHYSICIST MICHAEL KELLEY 584 00:29:45,172 --> 00:29:49,137 HAS SPENT OVER 10 YEARS INVESTIGATING THIS MYSTERY. 585 00:29:49,137 --> 00:29:51,137 UH, IT'S A DETECTIVE STORY FOR SURE. 586 00:29:51,137 --> 00:29:53,517 YOU FOLLOW THE FACTS, AND YOU FIND THE KILLER. 587 00:29:53,517 --> 00:29:57,310 Narrator: KELLEY'S FIRST CLUE COMES IN 2007, 588 00:29:57,310 --> 00:30:00,482 WHEN HE NOTICES STRANGE, GLOWING CLOUDS FORMING 589 00:30:00,482 --> 00:30:04,344 AFTER THE LAUNCH OF SHUTTLE MISSION STS-118. 590 00:30:04,344 --> 00:30:06,344 TWO DAYS AFTER THE SHUTTLE WAS LAUNCHED, 591 00:30:06,344 --> 00:30:08,793 THERE'S A SPECTACULAR NOCTILUCENT CLOUD DISPLAY, 592 00:30:08,793 --> 00:30:11,000 I MEAN, ONE OF THE BRIGHTEST AND PRETTIEST 593 00:30:11,000 --> 00:30:12,172 THAT I'VE EVER SEEN. 594 00:30:13,758 --> 00:30:17,793 Narrator: NOCTILUCENT CLOUDS ARE AN EXTREMELY RARE PHENOMENON 595 00:30:17,793 --> 00:30:20,896 THAT FORM 50 MILES UP. 596 00:30:20,896 --> 00:30:23,655 THE CLOUDS RESEMBLE THE GLOWING SKIES 597 00:30:23,655 --> 00:30:26,862 REPORTED BY WITNESSES AFTER THE EXPLOSION IN SIBERIA. 598 00:30:26,862 --> 00:30:29,551 YOU COULD READ A BOOK AT NIGHT AT MIDNIGHT, 599 00:30:29,551 --> 00:30:31,620 AND THAT REALLY GOT ME THINKING 600 00:30:31,620 --> 00:30:33,862 BECAUSE THE WAY THEY DESCRIBED IT 601 00:30:33,862 --> 00:30:36,551 WOULD BE EXACTLY THE WAY YOU WOULD DESCRIBE 602 00:30:36,551 --> 00:30:38,655 A NOCTILUCENT CLOUD.[ FLAMES CRACKLING ] 603 00:30:38,655 --> 00:30:42,206 Narrator: KELLEY DISCOVERS THAT THE GLOWING CLOUDS APPEAR 604 00:30:42,206 --> 00:30:43,931 FOLLOWING THE RELEASE 605 00:30:43,931 --> 00:30:48,413 OF 600,000 POUNDS OF WATER VAPOR FROM THE SHUTTLE'S ENGINES. 606 00:30:50,862 --> 00:30:52,724 THERE'S REMARKABLE SIMILARITIES BETWEEN WHAT HAPPENED 607 00:30:52,724 --> 00:30:59,379 AFTER TUNGUSKA AND WHAT HAPPENED AFTER THE SHUTTLE LAUNCHES. 608 00:30:59,379 --> 00:31:02,172 THIS SUGGESTS THAT WHATEVER CAUSED THE TUNGUSKA EVENT 609 00:31:02,172 --> 00:31:05,068 MUST ALSO HAVE RELEASED VAST AMOUNTS OF WATER 610 00:31:05,068 --> 00:31:07,413 INTO THE ATMOSPHERE. 611 00:31:07,413 --> 00:31:09,344 THAT'S WHEN I STARTED THINKING 612 00:31:09,344 --> 00:31:13,724 THAT THIS REALLY COULD NAIL THE MYSTERY OF TUNGUSKA. 613 00:31:13,724 --> 00:31:17,137 Narrator: FOR KELLEY, THERE'S ONLY ONE EXPLANATION. 614 00:31:17,137 --> 00:31:21,206 WELL, IT OBVIOUSLY IS AN EXPLOSION OF A COMET. 615 00:31:21,206 --> 00:31:24,310 Narrator: KELLEY'S INVESTIGATION CONCLUDES 616 00:31:24,310 --> 00:31:27,241 THAT, IN JUNE 1908, A MASSIVE ICY COMET 617 00:31:27,241 --> 00:31:30,413 EXPLODES HIGH IN THE EARTH'S ATMOSPHERE, 618 00:31:30,413 --> 00:31:34,793 LEAVING NO CRATER BUT RELEASING HUGE CLOUDS OF WATER VAPOR, 619 00:31:34,793 --> 00:31:37,034 JUST LIKE THE SHUTTLE LAUNCH. 620 00:31:37,034 --> 00:31:38,793 [ EXPLOSION ] 621 00:31:41,862 --> 00:31:43,517 I THINK WE FINALLY HAVE AN ANSWER 622 00:31:43,517 --> 00:31:46,758 TO ONE OF SCIENCE'S GREATEST ENIGMAS. 623 00:31:49,310 --> 00:31:50,758 Narrator: STILL TO COME, 624 00:31:50,758 --> 00:31:53,000 A N.A.S.A. MISSION TO THE RED PLANET 625 00:31:53,000 --> 00:31:55,034 STUMBLES ACROSS A SCI-FI PHENOMENON. 626 00:32:09,206 --> 00:32:12,689 Narrator: WHEN A N.A.S.A. PROBE SURVEYS A MARTIAN SATELLITE, 627 00:32:12,689 --> 00:32:16,586 WHAT IT DISCOVERS ASTONISHES SCIENTISTS ON EARTH. 628 00:32:16,586 --> 00:32:19,275 I TOOK A LOOK AT THE PHOBOS IMAGE. 629 00:32:19,275 --> 00:32:21,344 I LITERALLY COULD NOT BELIEVE MY EYES. 630 00:32:21,344 --> 00:32:26,103 Narrator: A TOWERING STRUCTURE LOOMS OVER THE MOON'S SURFACE. 631 00:32:28,206 --> 00:32:31,896 IF YOU WERE TO BE STANDING AT THE SURFACE OF PHOBOS, 632 00:32:31,896 --> 00:32:34,448 THIS THING WOULD BE A SKYSCRAPER. 633 00:32:34,448 --> 00:32:35,827 IT'S SO PROPER AND RIGHT ANGLED, 634 00:32:35,827 --> 00:32:37,275 YOU THINK THAT IT'S ARTIFICIAL. 635 00:32:44,655 --> 00:32:47,517 N.A.S.A.'s JET PROPULSION LABORATORY 636 00:32:47,517 --> 00:32:49,620 IS THE SITE OF SOME OF HUMANITY'S GREATEST 637 00:32:49,620 --> 00:32:51,344 TECHNOLOGICAL ACHIEVEMENTS. 638 00:32:51,344 --> 00:32:53,655 AMONG ITS MANY SUCCESSES IS 639 00:32:53,655 --> 00:32:56,758 THE MARS GLOBAL SURVEYOR PROGRAM. 640 00:32:56,758 --> 00:33:01,103 BUT IN 1998, ONE THING NOBODY ON THE ELITE N.A.S.A. TEAM 641 00:33:01,103 --> 00:33:02,931 EXPECTS TO FIND 642 00:33:02,931 --> 00:33:05,034 IS SIGNS OF CONSTRUCTION 643 00:33:05,034 --> 00:33:09,137 ON THE SURFACE OF THE RED PLANET'S LARGEST MOON. 644 00:33:09,137 --> 00:33:10,689 I WASN'T REALLY LOOKING FOR ANYTHING, 645 00:33:10,689 --> 00:33:12,379 JUST KIND OF GLANCING THROUGH THE IMAGES. 646 00:33:12,379 --> 00:33:14,931 AND SOMETHING JUST POPPED OUT AND -- AND STRUCK ME. 647 00:33:17,448 --> 00:33:19,103 I SAID, "WHOA. WHAT IS THIS THING?" 648 00:33:19,103 --> 00:33:22,344 Narrator: INSTEAD OF A FEATURELESS EXPANSE 649 00:33:22,344 --> 00:33:23,724 OF EMPTY ROCK, 650 00:33:23,724 --> 00:33:27,000 Palermo: PALERMO SEES SOMETHING DISTURBINGLY REGULAR. 651 00:33:27,000 --> 00:33:30,068 WHAT I SAW KIND OF BLEW MY MIND AWAY. 652 00:33:30,068 --> 00:33:33,689 THE SHADOW WAS A LOT LONGER THAN IT SHOULD BE. 653 00:33:33,689 --> 00:33:36,344 IT LOOKED LIKE THIS MONOLITHIC STRUCTURE. 654 00:33:38,827 --> 00:33:41,000 THE SIGHTING BEARS LITTLE RESEMBLANCE 655 00:33:41,000 --> 00:33:44,206 TO ANY KNOWN NATURAL PHENOMENON. 656 00:33:46,448 --> 00:33:49,034 LO AND BEHOLD, THERE WAS THIS GIGANTIC MONOLITH 657 00:33:49,034 --> 00:33:50,793 SITTING AT THE SURFACE OF PHOBOS 658 00:33:50,793 --> 00:33:54,275 THAT WAS, ESSENTIALLY, A TOWERING FEATURE. 659 00:33:54,275 --> 00:33:56,896 IT'S THE SIZE OF A SKYSCRAPER. 660 00:34:02,310 --> 00:34:04,413 USING THE LENGTH OF THE SHADOW, 661 00:34:04,413 --> 00:34:06,413 SCIENTISTS CALCULATE THAT THE ODD STRUCTURE 662 00:34:06,413 --> 00:34:09,000 IS OVER 400 FEET HIGH. 663 00:34:10,551 --> 00:34:13,862 TO HAVE A STRUCTURE STANDING UPRIGHT AS BIG AS THIS IS, 664 00:34:13,862 --> 00:34:15,965 JUST STICKING OUT OF THE SURFACE, 665 00:34:15,965 --> 00:34:18,482 YOU KNOW, IT'S -- IT'S A STRANGE PHENOMENA. 666 00:34:20,241 --> 00:34:23,379 Narrator: THE STRUCTURE BECOMES KNOWN AS THE PHOBOS MONOLITH... 667 00:34:25,206 --> 00:34:26,758 AND IT GENERATES EXCITEMENT 668 00:34:26,758 --> 00:34:30,241 AMONG THE GIANTS OF SPACE EXPLORATION. 669 00:34:30,241 --> 00:34:34,172 THERE'S A MONOLITH THERE, A VERY UNUSUAL STRUCTURE 670 00:34:34,172 --> 00:34:38,379 ON THIS LITTLE POTATO-SHAPED OBJECT. 671 00:34:38,379 --> 00:34:39,689 WHEN PEOPLE FIND OUT ABOUT THAT, 672 00:34:39,689 --> 00:34:41,379 THEY'RE GONNA SAY, "WHO PUT THAT THERE?" 673 00:34:41,379 --> 00:34:43,172 WHEN I SAY THE WORD "MONOLITH," 674 00:34:43,172 --> 00:34:45,517 THE FIRST THING I THINK ABOUT IS 2001. 675 00:34:45,517 --> 00:34:48,344 ARTHUR CLARKE -- HE MADE THE MONOLITH 676 00:34:48,344 --> 00:34:50,103 A GIFT FROM ALIEN KIND. 677 00:34:53,620 --> 00:34:56,241 Narrator: IN "2001: A SPACE ODYSSEY," 678 00:34:56,241 --> 00:34:59,655 AN UNKNOWN CIVILIZATION LEAVES TOWERING MONOLITHS 679 00:34:59,655 --> 00:35:04,000 ACROSS THE SOLAR SYSTEM AS BEACONS TO CONTACT HUMANITY. 680 00:35:07,034 --> 00:35:09,827 ARTHUR C. CLARKE POSED THE NOTION, 681 00:35:09,827 --> 00:35:13,310 "WHAT IF ALIENS WERE INTERESTED IN THE EARTH, 682 00:35:13,310 --> 00:35:15,862 WERE INTERESTED IN POSSIBLY US?" 683 00:35:15,862 --> 00:35:18,034 IF YOU'RE AN ALIEN RACE 684 00:35:18,034 --> 00:35:19,172 THAT'S WANTING TO REACH OUT TO HUMANITY, 685 00:35:19,172 --> 00:35:20,689 YOU DON'T WANT TO MESS UP OUR EVOLUTION. 686 00:35:20,689 --> 00:35:22,172 WHAT YOU WOULD DO 687 00:35:22,172 --> 00:35:24,551 IS PUT A MESSAGE FOR THEM JUST OUTSIDE THEIR REACH. 688 00:35:26,793 --> 00:35:28,862 Narrator: BUT N.A.S.A.'s PLANETARY SCIENTISTS 689 00:35:28,862 --> 00:35:31,965 HAVE AN EXPLANATION FOR THE MONOLITH'S PRESENCE 690 00:35:31,965 --> 00:35:34,137 THAT DOESN'T REQUIRE ALIENS. 691 00:35:34,137 --> 00:35:36,448 AS MUCH AS I WOULD FIND IT EXCITING 692 00:35:36,448 --> 00:35:41,344 IF IT WERE A-A MONUMENT LEFT BY AN ALIEN CIVILIZATION, 693 00:35:41,344 --> 00:35:45,103 THE HYPOTHESIS TO BEAT IS THAT IT'S JUST A-A BOULDER. 694 00:35:45,103 --> 00:35:47,655 IT'S A GIANT BOULDER SITTING ON ITS END. 695 00:35:47,655 --> 00:35:50,103 Narrator: THOUGH A SKYSCRAPER-SIZED BOULDER 696 00:35:50,103 --> 00:35:54,206 PERCHING PRECARIOUSLY ON ONE END SOUNDS UNLIKELY, 697 00:35:54,206 --> 00:36:00,413 THE TINY MOON'S WEAK GRAVITY MAKES STRANGE THINGS POSSIBLE. 698 00:36:00,413 --> 00:36:02,068 THIS WEAK-GRAVITY ENVIRONMENT -- 699 00:36:02,068 --> 00:36:04,931 IT DOESN'T MAKE MUCH DIFFERENCE IF YOUR BOULDER IS SITTING 700 00:36:04,931 --> 00:36:07,862 ON ONE END OR IF YOU'RE SORT OF LYING -- LYING ON YOUR SIDE. 701 00:36:07,862 --> 00:36:10,689 UH, THINGS JUST TEND TO SIT ON THESE BODIES 702 00:36:10,689 --> 00:36:12,344 THE WAY THEY LAND ON THEM. 703 00:36:12,344 --> 00:36:16,103 THIS MONOLITH IS PROBABLY JUST A GIANT BOULDER 704 00:36:16,103 --> 00:36:19,551 THAT WAS TOSSED IN THIS CATASTROPHIC EVENT. 705 00:36:19,551 --> 00:36:23,344 [ EXPLOSION ] 706 00:36:23,344 --> 00:36:25,206 Narrator: UNTIL WE REACH PHOBOS, 707 00:36:25,206 --> 00:36:27,689 ALL THEORIES ABOUT THE MONOLITH'S ORIGIN 708 00:36:27,689 --> 00:36:31,034 MUST REMAIN SPECULATIVE. 709 00:36:33,000 --> 00:36:34,310 STILL TO COME, 710 00:36:34,310 --> 00:36:37,413 WHEN N.A.S.A. SUFFERS ONE OF THE GREATEST TRAGEDIES 711 00:36:37,413 --> 00:36:38,655 IN ITS HISTORY, 712 00:36:38,655 --> 00:36:41,827 THE INVESTIGATION TAKES AN UNEXPECTED TURN. 713 00:36:50,620 --> 00:36:53,344 MAN: Two minutes... [ Speaks indistinctly ] 714 00:36:56,482 --> 00:36:59,068 Narrator: WHEN N.A.S.A. LOSES THE SPACE SHUTTLE "COLUMBIA"... 715 00:36:59,068 --> 00:37:01,413 NOT A WEEK GOES BY THAT I DON'T DREAM 716 00:37:01,413 --> 00:37:02,896 OF MY FRIENDS THAT WERE ON THAT MISSION. 717 00:37:02,896 --> 00:37:05,275 THAT NEVER LEAVES YOU. 718 00:37:07,482 --> 00:37:09,482 [ ROARING ] 719 00:37:09,482 --> 00:37:12,620 Narrator: THE INVESTIGATION BEGINS IMMEDIATELY. 720 00:37:12,620 --> 00:37:16,000 THERE ARE HUNDREDS OF THEORIES ABOUT WHAT IT COULD'VE BEEN, 721 00:37:16,000 --> 00:37:18,413 FROM COSMIC LIGHTNING, OR MEGALIGHTNING, 722 00:37:18,413 --> 00:37:21,275 TO EXTRATERRESTRIALS, TO ENEMY ACTION. 723 00:37:21,275 --> 00:37:25,137 Narrator: AND AN INCREDIBLE PHOTOGRAPH SEEMED TO SUGGEST 724 00:37:25,137 --> 00:37:27,517 SOMETHING STRANGE HAPPENED TO THE SHUTTLE. 725 00:37:27,517 --> 00:37:29,689 TO ME, IT LOOKED LIKE A CREDIBLE PHOTOGRAPH 726 00:37:29,689 --> 00:37:32,034 AND WAS WORTH TAKING ANOTHER LOOK AT BY N.A.S.A. 727 00:37:37,103 --> 00:37:38,620 [ STATIC ] 728 00:37:38,620 --> 00:37:42,137 Narrator: FEBRUARY 1, 2003. 729 00:37:42,137 --> 00:37:45,655 AFTER A 16-DAY SCIENTIFIC RESEARCH MISSION, 730 00:37:45,655 --> 00:37:48,724 STS-107 RE-ENTERS EARTH'S ATMOSPHERE. 731 00:37:48,724 --> 00:37:51,517 So far, fine. We have good trims. 732 00:37:51,517 --> 00:37:54,931 THE VOICE OF FLIGHT COMMANDER RICK HUSBAND 733 00:37:54,931 --> 00:37:57,000 CUTS OFF MID-TRANSMISSION. 734 00:37:57,000 --> 00:37:58,344 No onboard system can fix changes 735 00:37:58,344 --> 00:38:00,379 right before we lost data. 736 00:38:00,379 --> 00:38:02,275 WOMAN: Those correct flight, all look good. 737 00:38:02,275 --> 00:38:04,310 MAN: "Columbia," Houston. Com check. 738 00:38:04,310 --> 00:38:08,827 "Columbia," Houston. UHF, com check. 739 00:38:12,724 --> 00:38:16,689 I WAS WORKING IN MISSION CONTROL THAT FATEFUL MORNING 740 00:38:16,689 --> 00:38:19,896 WHEN "COLUMBIA" BROKE UP DURING RE-ENTRY. 741 00:38:19,896 --> 00:38:22,103 AND THE FACT THAT THEY DISINTEGRATED, 742 00:38:22,103 --> 00:38:24,000 BASICALLY, BEFORE OUR VERY EYES, 743 00:38:24,000 --> 00:38:26,275 AND THERE WAS NOTHING WE COULD DO 744 00:38:26,275 --> 00:38:29,103 WAS A VERY DEVASTATING EVENT 745 00:38:29,103 --> 00:38:31,931 FOR ALL OF US IN MISSION CONTROL. 746 00:38:31,931 --> 00:38:34,103 INVESTIGATING THE DISASTER 747 00:38:34,103 --> 00:38:37,793 IMMEDIATELY BECOMES N.A.S.A.'s TOP PRIORITY. 748 00:38:37,793 --> 00:38:39,689 WELL, THAT'S WHAT I TOLD HIM. 749 00:38:39,689 --> 00:38:42,137 [ INDISTINCT CONVERSATIONS ] 750 00:38:42,137 --> 00:38:43,965 N.A.S.A.'s GOING TO WORK VERY HARD 751 00:38:43,965 --> 00:38:46,655 AND LEAVE NO STONE UNTURNED UNTIL THEY'RE SURE THEY KNOW 752 00:38:46,655 --> 00:38:48,448 WHAT CAUSED THE ACCIDENT. 753 00:38:48,448 --> 00:38:50,137 YOU HAVE TO GET TO THE BOTTOM OF IT. 754 00:38:50,137 --> 00:38:51,862 OTHERWISE, YOU CAN'T FLY THE VEHICLE AGAIN. 755 00:38:51,862 --> 00:38:53,034 YOU NEED AN ANSWER. 756 00:38:53,034 --> 00:38:56,344 Narrator: IN THE MOMENTS BEFORE THE TRAGEDY, 757 00:38:56,344 --> 00:39:01,758 AMATEUR ASTRONOMER PETER GOLDIE WAS PHOTOGRAPHING THE RE-ENTRY. 758 00:39:01,758 --> 00:39:06,344 Goldie: FEBRUARY 1, 2003, WAS THE SECOND TIME I WITNESSED 759 00:39:06,344 --> 00:39:10,551 A SHUTTLE LANDING COMING OVER SAN FRANCISCO. 760 00:39:10,551 --> 00:39:14,413 IT WAS QUITE CLEAR TO SEE AND QUITE BEAUTIFUL TO SEE 761 00:39:14,413 --> 00:39:18,586 BECAUSE IT MAKES A LONG, VERY BRIGHT LINE ACROSS THE SKY. 762 00:39:18,586 --> 00:39:21,551 AND, OF COURSE, YOU -- YOU KNOW WHAT YOU'RE LOOKING AT, 763 00:39:21,551 --> 00:39:24,172 SO IT'S A TREMENDOUS THING. 764 00:39:26,068 --> 00:39:29,275 Narrator: WATCHING FROM A SAN FRANCISCO HILLSIDE, 765 00:39:29,275 --> 00:39:33,689 GOLDIE HAS NO IDEA WHAT'S ABOUT TO HAPPEN. 766 00:39:33,689 --> 00:39:37,241 THE FIRST INKLING HE HAS WITNESSED SOMETHING UNUSUAL 767 00:39:37,241 --> 00:39:40,965 COMES WHEN HE LOOKS OVER THE DAY'S PHOTOGRAPHS. 768 00:39:40,965 --> 00:39:43,137 I DIDN'T KNOW WHAT TO MAKE OF IT. 769 00:39:43,137 --> 00:39:45,241 IT LOOKED, FOR ALL PRACTICAL PURPOSES, 770 00:39:45,241 --> 00:39:48,689 TO BE AS IF IT WAS A JAGGED PURPLE BOLT OF LIGHTNING 771 00:39:48,689 --> 00:39:53,517 INTERSECTING THE, UH, PATH OF THE SHUTTLE. 772 00:39:53,517 --> 00:39:54,862 [ LIGHTNING CRASHES ] 773 00:39:54,862 --> 00:39:56,724 Narrator: AT THE MOMENT GOLDIE TAKES HIS SHOT, 774 00:39:56,724 --> 00:39:58,034 "COLUMBIA'S" TOO HIGH 775 00:39:58,034 --> 00:40:00,448 FOR ANY CONVENTIONAL LIGHTNING STRIKE. 776 00:40:00,448 --> 00:40:04,034 BUT IT'S STILL A POSSIBILITY N.A.S.A. TAKES SERIOUSLY. 777 00:40:04,034 --> 00:40:06,068 WHEN ROCKETS LEAVE BEHIND A VAPOR TRAIL, 778 00:40:06,068 --> 00:40:08,931 THE LIGHTNING STRIKE WILL COME UP AND CHASE THE ROCKET 779 00:40:08,931 --> 00:40:10,931 UP TO THE BASE OF SPACE. 780 00:40:10,931 --> 00:40:13,517 THESE LIGHTNING STRIKES 781 00:40:13,517 --> 00:40:17,413 HAVE 100,000 VOLTS OR MORE AND A MILLION AMPERE. 782 00:40:17,413 --> 00:40:18,586 BOY, THAT'S A LOT OF POWER. 783 00:40:18,586 --> 00:40:19,862 THAT JUST, UH, 784 00:40:19,862 --> 00:40:22,482 IT HEATS THE ATMOSPHERE 100,000 DEGREES EASY. 785 00:40:24,620 --> 00:40:25,758 AND WHEN THEY DO SO, 786 00:40:25,758 --> 00:40:28,068 THEY CAN CAUSE TREMENDOUS FLASHES OF LIGHT, 787 00:40:28,068 --> 00:40:30,379 DEFINITELY CAUSE INSTRUMENTATION PROBLEMS. 788 00:40:31,793 --> 00:40:33,034 Narrator: FOR N.A.S.A., 789 00:40:33,034 --> 00:40:35,000 EVIDENCE OF AN ELECTRICAL DISCHARGE 790 00:40:35,000 --> 00:40:39,206 IS DISTURBING ENOUGH TO CALL IN VETERAN ASTRONAUT TAMMY JERNIGAN 791 00:40:39,206 --> 00:40:41,724 TO INVESTIGATE. 792 00:40:41,724 --> 00:40:45,344 I THOUGHT IT WAS VERY IMPORTANT TO LOOK AT EVERY PIECE OF DATA 793 00:40:45,344 --> 00:40:48,551 THAT MIGHT HAVE BEARING ON THE CAUSE OF THE ACCIDENT. 794 00:40:48,551 --> 00:40:53,000 THE PHOTOGRAPH CERTAINLY WARRANTED FURTHER INVESTIGATION. 795 00:40:54,793 --> 00:40:57,482 Narrator: SO WHAT DID GOLDIE CAPTURE ON CAMERA, 796 00:40:57,482 --> 00:41:00,689 AND DID IT CONTRIBUTE TO THE DISASTER? 797 00:41:00,689 --> 00:41:06,034 N.A.S.A. IMAGING EXPERTS BEGIN BY EXAMINING GOLDIE'S EQUIPMENT. 798 00:41:06,034 --> 00:41:09,931 THEY ANALYZED THE PHOTOGRAPH, UM, AND THE, UM, 799 00:41:09,931 --> 00:41:11,413 CORKSCREW PHENOMENON, I BELIEVE, 800 00:41:11,413 --> 00:41:13,413 WAS ATTRIBUTED TO SOME TYPE OF VIBRATION. 801 00:41:13,413 --> 00:41:16,034 THE CAMERA SHUTTER OPENS FOR THE TIME EXPOSURE. 802 00:41:16,034 --> 00:41:20,275 THERE'S A BRIEF JIGGLE, THE ZIG -- UP AND DOWN ZIGZAG. 803 00:41:20,275 --> 00:41:23,068 Narrator: THIS MINUTE UP AND DOWN MOVEMENT OF THE CAMERA 804 00:41:23,068 --> 00:41:25,310 AT THE PRECISE MOMENT THE PICTURE WAS TAKEN 805 00:41:25,310 --> 00:41:27,862 CREATES THE APPEARANCE OF THE ZIGZAG 806 00:41:27,862 --> 00:41:30,758 IN WHAT IS ACTUALLY THE ARROW-STRAIGHT LINE 807 00:41:30,758 --> 00:41:32,655 OF THE SHUTTLE'S TRAJECTORY. 808 00:41:32,655 --> 00:41:36,310 THE TIMING OF THE SHOT AS THE SHUTTLE BREAKS UP 809 00:41:36,310 --> 00:41:38,413 IS JUST TRAGIC COINCIDENCE. 810 00:41:38,413 --> 00:41:41,068 THE JIGGLING JUST HAPPENED TO COINCIDE WITH THE MOMENT 811 00:41:41,068 --> 00:41:42,793 THAT THEY HAD LOST THE TELEMETRY. 812 00:41:47,655 --> 00:41:49,724 Narrator: THE DISCOVERY OF THE CAMERA FAULT 813 00:41:49,724 --> 00:41:51,241 RULES OUT THE POSSIBILITY 814 00:41:51,241 --> 00:41:54,344 THAT A LIGHTNING BOLT BROUGHT COLUMBIA DOWN. 815 00:41:54,344 --> 00:41:56,517 LIFT OFF OF SPACE SHUTTLE COLUMBIA. 816 00:41:56,517 --> 00:41:59,000 SUBSEQUENT N.A.S.A. INVESTIGATIONS REVEAL 817 00:41:59,000 --> 00:42:02,827 CRITICAL DAMAGE TO A THERMAL PROTECTION PAD DURING TAKEOFF. 818 00:42:02,827 --> 00:42:05,310 30 SECONDS INTO THE FLIGHT. 819 00:42:05,310 --> 00:42:07,000 Man: THE THREE LIQUID-FUEL MAIN ENGINES 820 00:42:07,000 --> 00:42:08,275 BEGINNING TO THROTTLE BACK, 821 00:42:08,275 --> 00:42:09,827 REDUCING THE STRESS ON THE SHUTTLE AS IT BREAKS 822 00:42:09,827 --> 00:42:11,275 THROUGH THE SOUND BARRIER. 823 00:42:11,275 --> 00:42:13,517 WHEN THE SHUTTLE CAME IN FOR RE-ENTRY, 824 00:42:13,517 --> 00:42:15,655 UM, BECAUSE THE STRUCTURAL INTEGRITY 825 00:42:15,655 --> 00:42:18,551 OF THAT THERMAL PROTECTION SYSTEM HAD BEEN VIOLATED, 826 00:42:18,551 --> 00:42:20,275 IT WAS NOT ABLE TO STAND 827 00:42:20,275 --> 00:42:23,172 THE THERMAL AND MECHANICAL STRESSES OF RE-ENTRY 828 00:42:23,172 --> 00:42:24,896 AND CAME APART. 829 00:42:27,655 --> 00:42:29,965 COMMANDER RICK HUSBAND, ILAN RAMON, 830 00:42:29,965 --> 00:42:33,206 PILOT WILLIAM McCOOL, MICHAEL ANDERSON, DAVID BROWN... 831 00:42:33,206 --> 00:42:37,482 THE LOSS OF "COLUMBIA'S" SEVEN ASTRONAUTS 832 00:42:37,482 --> 00:42:41,586 REMAINS ONE OF N.A.S.A.'s DARKEST DAYS. 833 00:42:47,620 --> 00:42:50,931 N.A.S.A.'s ONGOING MISSIONS HAVE FORCED US 834 00:42:50,931 --> 00:42:54,241 TO LOOK AT OUR OWN WORLD WITH NEW EYES 835 00:42:54,241 --> 00:42:56,655 WHILE WE STRUGGLE WITH STRANGE PHENOMENA 836 00:42:56,655 --> 00:43:01,724 THAT CHALLENGE EVERYTHING WE THINK WE KNOW. 837 00:43:01,724 --> 00:43:06,241 MORE THAN FOUR DECADES AFTER MAN FIRST SET FOOT ON THE MOON, 838 00:43:06,241 --> 00:43:08,758 WE'RE STILL DISCOVERING MYSTERIES 839 00:43:08,758 --> 00:43:12,034 IN THE DARK RECESSES OF OUR SOLAR SYSTEM. 840 00:43:12,034 --> 00:43:14,000 CAPTIONS PAID FOR BY DISCOVERY COMMUNICATIONS 66942

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