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These are the user uploaded subtitles that are being translated: 1 00:00:04,134 --> 00:00:08,806 Space between interstellar space is interstellar 2 00:00:10,566 --> 00:00:17,847 The interstellar space is vast The most unknown and unplanned 3 00:00:18,795 --> 00:00:22,956 Astronomers are now exploring this great abyss 4 00:00:23,963 --> 00:00:28,222 They discover amazing things 5 00:00:30,869 --> 00:00:35,092 Space between interstellar is busy and busy 6 00:00:35,127 --> 00:00:39,655 There are stray planets that are not connected to a star 7 00:00:39,690 --> 00:00:43,271 Cosmic rays, and interstellar gas withdrawal 8 00:00:43,306 --> 00:00:47,833 They have super-speed stars out there 9 00:00:47,868 --> 00:00:51,009 There are the greatest secrets in our universe 10 00:00:51,044 --> 00:00:53,179 Interstellar space is where we originated 11 00:00:53,179 --> 00:00:57,221 All are among the stars 12 00:00:59,465 --> 00:01:04,827 Translated by:Dr dr_sameh_nour yahoo,com 13 00:01:04,862 --> 00:01:13,018 How the universe works 14 00:01:13,053 --> 00:01:16,088 "Interstellar Mysteries" 15th 00:01:16,123 --> 00:01:21,551 We live in a small solar system On the outskirts of the Milky Way galaxy 16 00:01:24,156 --> 00:01:31,512 Eight planets and more than one hundred and eighty All around the sun 17 00:01:31,547 --> 00:01:35,830 In our solar system, the sun is the city's mayor 18 00:01:35,865 --> 00:01:40,174 Do what the sun wants us to do 19 00:01:40,209 --> 00:01:46,077 The effect of the sun extends to more Of light year in each direction 20 00:01:47,203 --> 00:01:50,612 Limits the limits of our solar system 21 00:01:50,647 --> 00:01:56,546 Somewhere there ends the effect The sun and other stars begin 22 00:01:56,581 --> 00:01:59,690 This is the interstellar space input 23 00:02:04,567 --> 00:02:10,685 Interstellar space is the region Between the star systems in our galaxy 24 00:02:12,832 --> 00:02:17,092 So far we know little about them 25 00:02:17,127 --> 00:02:21,121 We thought for a long time that space Interstellar is completely empty 26 00:02:21,156 --> 00:02:23,839 But it turned out to be a mistake 27 00:02:23,874 --> 00:02:28,828 Many things have happened there It is at the forefront of astronomy 28 00:02:28,863 --> 00:02:35,076 One of the biggest signs of space Between the stars came on our doorstep 29 00:02:41,435 --> 00:02:44,895 , October 2017 30 00:02:44,930 --> 00:02:49,955 The Pan Starz-1 telescope has detected something unusual 31 00:02:49,990 --> 00:02:54,845 "Pan Stars" is an observatory in "Hawaii" Wiping wide sections of the sky 32 00:02:54,880 --> 00:02:57,368 Looking for things changing 33 00:02:59,709 --> 00:03:05,301 Suddenly, a visitor came up and roared through the solar system 34 00:03:05,336 --> 00:03:08,615 It was going at a speed of two hundred thousand miles per hour 35 00:03:08,650 --> 00:03:14,011 It was faster than we expected For a body in a solar system 36 00:03:14,046 --> 00:03:20,274 His path indicated that his orbit was not restricted to the sun 37 00:03:20,309 --> 00:03:29,887 It was not like any lane or any path Or any other orbit in our solar system 38 00:03:29,922 --> 00:03:33,891 Astronomers reached an astounding conclusion 39 00:03:36,138 --> 00:03:41,853 It turned out that he was not a body of The solar system travels from a distance 40 00:03:41,888 --> 00:03:45,082 But something came from another star 41 00:03:45,117 --> 00:03:49,755 I think everyone was amazed by that 42 00:03:53,735 --> 00:04:00,470 Our visitor is between the first star Known passes through our solar system 43 00:04:00,505 --> 00:04:04,756 It is the first object we ever discover 44 00:04:04,791 --> 00:04:07,884 He grew up outside the solar system 45 00:04:07,884 --> 00:04:14,477 All that we have seen, every sinner and all An asteroid has arisen within our solar system 46 00:04:14,512 --> 00:04:23,945 Giant giant body enters our system The sun, something I see only in dreams 47 00:04:23,980 --> 00:04:26,905 But I never thought it would be true 48 00:04:29,565 --> 00:04:38,143 "Scientists launched it" Omwa-mua Bahawian messenger from afar arrives first 49 00:04:39,174 --> 00:04:46,845 This object came from interstellar space to Our Solar System The main question is what is it? 50 00:04:50,570 --> 00:04:54,272 The shape of the body was puzzling 51 00:04:55,304 --> 00:05:00,595 It was shaped like a cigar, the longest of its width 52 00:05:00,630 --> 00:05:07,792 This is exceptional, there is no body in our system We measured it daily and it was so long 53 00:05:09,552 --> 00:05:12,768 "Amwa-mua" seemed abnormal 54 00:05:12,803 --> 00:05:16,748 It has been filled with the imagination of scientists 55 00:05:16,783 --> 00:05:24,957 What we should remember about scientists is that we are still Human beings, we read science fiction and our fantasies 56 00:05:26,218 --> 00:05:29,043 I admit that when I first heard about him "Once my thought went to" Rama 57 00:05:29,078 --> 00:05:32,217 "From the story of Arthur C, Clarke" An appointment with Rama 58 00:05:32,252 --> 00:05:37,231 It was a long space ship that came from another star 59 00:05:38,334 --> 00:05:44,149 He reminded me of some of our designs for interstellar spaceships 60 00:05:44,184 --> 00:05:52,500 Which must exceed its width To reduce interstellar gas friction 61 00:05:52,535 --> 00:05:58,484 "Could be" Amwa-mua Spacecraft between stellar? 62 00:06:02,224 --> 00:06:08,401 Astronomers including Prof, "Avi "They took the idea seriously 63 00:06:08,436 --> 00:06:13,178 We decided to follow this body Using the best approaches in the world 64 00:06:13,213 --> 00:06:17,549 We monitor any radio transmissions from it 65 00:06:18,482 --> 00:06:23,435 Astronomers searched for signs of any space contact 66 00:06:27,356 --> 00:06:34,215 But after eight hours of listening Over many frequencies we have received nothing 67 00:06:34,250 --> 00:06:42,294 Unfortunately, we did not monitor any submissions A natural body, I bet all my money on it 68 00:06:42,329 --> 00:06:49,152 I was disappointed, I was more eager if We found evidence of space civilization 69 00:06:52,038 --> 00:06:55,343 There are no small green men this time 70 00:06:55,378 --> 00:06:58,629 Amwa-Mua "natural body" 71 00:06:58,664 --> 00:07:01,821 But what exactly? 72 00:07:01,856 --> 00:07:05,683 Observers first thought he might be guilty 73 00:07:05,718 --> 00:07:08,680 A snowy body with a few rocks 74 00:07:08,715 --> 00:07:14,834 These objects exist Away from the star and easy to extrude 75 00:07:15,938 --> 00:07:20,880 But the culprit transgresses this Proximity to the sun will warm 76 00:07:20,915 --> 00:07:25,928 To turn the snow into a gas to be a toxic effect 77 00:07:26,911 --> 00:07:31,535 On "Amwa-mua" did not see Astronomers have done this 78 00:07:31,570 --> 00:07:38,489 There was no mist around him as we expected It is guilty when the snow turns into gas Games 00:07:38,524 --> 00:07:46,257 It was mysterious and I think everyone watching it is an asteroid 80 00:07:47,095 --> 00:07:50,638 When the team tracked "Amwa-mua" across the sky 81 00:07:51,767 --> 00:07:54,583 There was an unexpected paradox 82 00:07:55,481 --> 00:08:01,077 When "Amwa-mua" crossed our solar system It was basically falling into the sun 83 00:08:01,077 --> 00:08:07,923 Accelerates strongly after crossing the sun before it It emerges from the solar system from the opposite direction 84 00:08:07,958 --> 00:08:12,765 But something strange happened when he walked away The sun did not slow down as we expected 85 00:08:12,800 --> 00:08:16,419 It did not slow down fast enough 86 00:08:16,454 --> 00:08:20,753 Amoa-mua took a boost through our solar system 87 00:08:20,788 --> 00:08:22,731 but how? 88 00:08:22,732 --> 00:08:26,191 We think the reason is the gas drop 89 00:08:26,226 --> 00:08:32,996 In the sense that it was issued a little of The gas was working as a rocket propulsion engine 90 00:08:33,031 --> 00:08:38,138 It is like a weak jet engine on the surface Give him a little bit of payment over time 91 00:08:38,173 --> 00:08:44,700 This weak payment reveals The true "Amwa-Mua" identity 92 00:08:45,572 --> 00:08:48,567 In that case he tends to be more guilty 93 00:08:48,602 --> 00:08:53,019 His gas emission was not enough to see him 94 00:08:56,766 --> 00:09:03,146 By pushing the gas out, this traveler Interstellar may travel from star to star 95 00:09:03,181 --> 00:09:08,859 But knowing the place of his arrival In the galaxy more difficult 96 00:09:09,817 --> 00:09:15,543 Knowing that "Amwa-Mua" is gassing It changes its speed and changes its path 97 00:09:15,578 --> 00:09:18,307 It is difficult for us to do so 98 00:09:19,180 --> 00:09:22,673 Amwa-mua may be safe now to get away quickly 99 00:09:22,708 --> 00:09:29,065 But faces the solar system Bombardment from another source between stellar 100 00:09:29,100 --> 00:09:33,601 It travels towards the Earth near the speed of light 101 00:09:33,636 --> 00:09:42,152 Cosmic rays are shots The universe engulfs interstellar space 102 00:10:01,766 --> 00:10:07,770 The surface of "Amwa-mua" tells us a story His journey through interstellar space 103 00:10:08,680 --> 00:10:13,083 The interesting thing about Amwa-mua "is his color, it's red" 104 00:10:13,118 --> 00:10:17,571 "I stand on a surface the same as the surface" Amwa-mua 105 00:10:17,606 --> 00:10:22,387 When you look around you see a cover Bright of dark color for all rocks 106 00:10:22,422 --> 00:10:26,585 The highest valley extends to the mountains from behind 107 00:10:29,060 --> 00:10:35,939 "Scientists believe that the brightness of" Amwa-mua The red comes from organic molecules that fall on it 108 00:10:35,974 --> 00:10:38,314 Which represent the building units of life 109 00:10:39,213 --> 00:10:47,181 What a wonderful thing that comes from different origins and passes In our neighborhood and owns some organic matter 110 00:10:47,181 --> 00:10:50,954 Gold mine may be ours 111 00:10:52,787 --> 00:11:00,503 In our solar system, distant objects Comets and asteroids also carry loads 112 00:11:01,353 --> 00:11:09,491 This happens because their surfaces are cut by cosmic rays This changes the nature of chemicals on the surface 113 00:11:09,526 --> 00:11:11,919 "We think the same thing happened to" Amwa-mua 114 00:11:11,954 --> 00:11:17,511 There was an interstellar space And the cosmic rays were buried over the ages 115 00:11:20,276 --> 00:11:26,754 Cosmic cosmic rays are particles High energy makes its way across the universe 116 00:11:30,260 --> 00:11:36,981 Space is filled between interstellar Of the cosmic rays 117 00:11:37,016 --> 00:11:45,291 Particles such as protons, electrons and possibly some The heaviest and most unusual particles blowing through the universe 118 00:11:45,326 --> 00:11:49,463 Some cosmic rays can It travels up to 99% of the speed of light 119 00:11:49,498 --> 00:11:52,279 Active high speed particles 120 00:11:54,328 --> 00:11:59,860 It takes a lot of energy To speed up anything near the speed of light 121 00:12:00,722 --> 00:12:08,145 Cosmic rays come from sources Many active, strong and violent in our universe 122 00:12:09,019 --> 00:12:14,745 Anything with a huge explosion generates cosmic rays 123 00:12:15,667 --> 00:12:25,044 One of the most powerful cosmic ray generators Is the death of a huge star 124 00:12:30,237 --> 00:12:33,597 The supernova is a high-activity explosion 125 00:12:33,632 --> 00:12:38,170 So active that he can Create all exciting particles 126 00:12:39,116 --> 00:12:43,362 When the star's fuel runs out, it collapses 127 00:12:43,397 --> 00:12:48,992 The star's mass collapses inside to produce a huge explosion 128 00:12:53,988 --> 00:12:57,848 The shock wave hits the surrounding gas 129 00:12:57,883 --> 00:13:01,099 Magnifying magnetic fields 130 00:13:01,134 --> 00:13:05,591 The particles are trapped there and confined Magnetic fields of this gas 131 00:13:05,626 --> 00:13:08,868 Bounce back and forth strongly 132 00:13:08,903 --> 00:13:13,406 ,,, is accelerating so 133 00:13:13,441 --> 00:13:20,214 In the end, the particles move quickly And the magnetic field can not restrain it 134 00:13:22,216 --> 00:13:25,846 And it is launched at a speed approaching the speed of light 135 00:13:28,466 --> 00:13:31,330 The cosmic rays have a mass 136 00:13:31,365 --> 00:13:34,838 And it is destroyed 137 00:13:34,873 --> 00:13:40,643 Cosmic rays are the shots of the universe 138 00:13:40,678 --> 00:13:43,433 The space is interstellar 139 00:13:43,468 --> 00:13:46,759 But we are protected 140 00:13:50,025 --> 00:13:56,347 Cosmic rays of space between Starry is battling with another superpower 141 00:13:57,927 --> 00:14:02,246 Our guard in the solar system 142 00:14:03,629 --> 00:14:08,570 We may think that the sun is the source of energy And the warmth of the earth, giving life only 143 00:14:08,605 --> 00:14:12,683 But they also protect us in ways that they do not know 144 00:14:13,667 --> 00:14:19,590 The sun produces a stream of particles Charged solar wind 145 00:14:20,439 --> 00:14:26,595 Particles run through the planets At a speed of about one million miles per hour 146 00:14:29,116 --> 00:14:33,159 But in the end it loses its power 147 00:14:33,194 --> 00:14:37,012 There is a region where solar wind slows down 148 00:14:37,012 --> 00:14:42,108 Make its way in that interstellar substance And eventually slows down and stops 149 00:14:45,684 --> 00:14:50,000 Solar wind carries the magnetic field of the sun 150 00:14:50,000 --> 00:14:53,598 To be a bubble around our solar system 151 00:14:54,446 --> 00:14:59,375 We call it the "solar envelope" and symbolizes For this giant magnetic field of the sun 152 00:14:59,410 --> 00:15:04,121 It basically works as a protective layer to protect us Of those cosmic rays 153 00:15:04,156 --> 00:15:10,115 If it does not exist, levels will increase Radiation that hits the ground 154 00:15:10,150 --> 00:15:15,967 So the sun really protects us from The dangerous environment of interstellar space 155 00:15:17,305 --> 00:15:21,657 Protect the solar envelope from most cosmic rays 156 00:15:21,692 --> 00:15:26,010 But some succeed in gaining access to the solar system 157 00:15:26,045 --> 00:15:32,046 Fortunately, the Earth also has its own defense mechanism 158 00:15:32,081 --> 00:15:38,252 We have our magnetic field which works on Deflection of low-energy cosmic rays 159 00:15:38,287 --> 00:15:43,658 We have a thick protective cover from the atmosphere 160 00:15:43,693 --> 00:15:47,527 Which absorbs most high-energy cosmic rays 161 00:15:47,562 --> 00:15:52,084 Before they had the opportunity To reach us here on the roof 162 00:15:57,491 --> 00:16:03,905 Cosmic rays can travel from interstellar space That changes DNA and causes diseases 163 00:16:03,940 --> 00:16:08,054 But without it, perhaps we have never been here 164 00:16:08,089 --> 00:16:12,381 Even a fraction of cosmic rays Which passes through our atmosphere to the Earth's surface 165 00:16:12,416 --> 00:16:15,972 May have a profound impact on the evolution of life 166 00:16:16,966 --> 00:16:23,259 Cosmic rays can destroy acid Nuclear device that carries life information 167 00:16:24,157 --> 00:16:29,190 These particles break down and change The atoms collide with cosmic rays 168 00:16:29,225 --> 00:16:35,239 , And mobile information changes ,, This is a boom That's what natural selection is about 169 00:16:35,274 --> 00:16:42,116 So we humans are strongly bound to life In interstellar space around us 170 00:16:44,931 --> 00:16:50,475 But space is interstellar Also larger objects 171 00:16:50,510 --> 00:16:56,057 Objects that can completely erase life 172 00:17:16,090 --> 00:17:23,299 Our solar system circulates around a center Milky Way at 143 mph 173 00:17:24,124 --> 00:17:31,305 In the middle of the sun, one Two hundred billion stars in our galaxy 174 00:17:31,340 --> 00:17:39,664 We do not live in an isolated bubble alone in the galaxy Here, we live in a cluster of other nearby stars 175 00:17:42,188 --> 00:17:47,816 The movement of those stars has effects Long term on our solar system 176 00:17:50,512 --> 00:17:54,805 , behind the planets and our solar shell 177 00:17:58,531 --> 00:18:01,915 The Ort cloud is located 178 00:18:01,950 --> 00:18:06,150 On the edge of real interstellar space 179 00:18:06,185 --> 00:18:11,253 Ort cloud is the remnant of the composition of the solar system 180 00:18:11,288 --> 00:18:16,701 Small dirty snowy bodies, mean comets 181 00:18:19,915 --> 00:18:23,527 The comets in the Ort cloud are very far away 182 00:18:23,562 --> 00:18:26,960 So that they hardly adhere to the sun 183 00:18:26,995 --> 00:18:34,035 She spends most of her time looking around The sun is sober in its cold depths 184 00:18:34,070 --> 00:18:38,135 But it is occasionally shaken 185 00:18:39,614 --> 00:18:43,546 Our sun moves through interstellar space 186 00:18:43,581 --> 00:18:45,962 As well as other stars 187 00:18:46,943 --> 00:18:51,518 Our sun revolves around the galaxy and corresponds Its neighbors are inevitably stars 188 00:18:51,553 --> 00:18:57,244 Sometimes one passes through or near the Ort cloud 189 00:18:58,045 --> 00:19:03,517 The attraction of the next star may shake the Ort cloud 190 00:19:06,805 --> 00:19:11,464 Sends rain from comets It travels through the solar system 191 00:19:14,570 --> 00:19:18,148 Some may collide with the ground 192 00:19:32,295 --> 00:19:36,554 Comets that fall into the system The solar interior must pay attention to it 193 00:19:36,589 --> 00:19:38,654 You may be serious about life here on Earth 194 00:19:38,689 --> 00:19:41,466 One of the things we do is look at the galaxy 195 00:19:41,501 --> 00:19:46,248 We monitor which star may be approaching Any time in the near future 196 00:19:48,551 --> 00:19:51,647 "With the new Space Observatory named" Gaia 197 00:19:51,682 --> 00:19:57,154 Astronomers watch millions of nearby stars in our galaxy 198 00:19:58,634 --> 00:20:03,220 They track their movement through interstellar space 199 00:20:03,255 --> 00:20:05,620 What is the next star that will cross Earth? 200 00:20:05,655 --> 00:20:07,207 It turned out we knew 201 00:20:07,242 --> 00:20:11,359 "There is an orange dwarf called the Glyce-710 202 00:20:12,694 --> 00:20:21,711 In 2018, new data showed that Gliese-710 "in a collision course with Ort cloud" 203 00:20:21,746 --> 00:20:24,874 It will throw some dirt and some dust 204 00:20:24,909 --> 00:20:32,350 It may carry bad news for the solar system To get unwanted visitors 205 00:20:36,451 --> 00:20:43,173 "We were lucky to have" Gliese-710 Will not arrive 1,3 million years ago 206 00:20:44,909 --> 00:20:49,472 But there are other stars there 207 00:20:49,472 --> 00:20:53,282 There are all those stars that you see In our skies in the Milky Way disk 208 00:20:53,375 --> 00:20:59,133 And tend to move in the same direction At a hundred miles per second around the middle 209 00:21:00,605 --> 00:21:04,272 Gaia discovers stars that follow different rules 210 00:21:06,286 --> 00:21:09,490 They do not seem to move with the galaxy movement 211 00:21:09,525 --> 00:21:12,645 In turn they race through space 212 00:21:14,368 --> 00:21:21,151 They are quickly launched as artillery shells and move three Or four or five times other stars in the galaxy 213 00:21:21,186 --> 00:21:24,706 It seems to be moving away from the center 214 00:21:26,198 --> 00:21:31,770 Those cosmic shells know Also named super-speed stars 215 00:21:34,100 --> 00:21:38,213 What makes it go so fast? 216 00:21:38,248 --> 00:21:44,995 Some of these stars originate from star systems Two of its members burst into a greater crisis 217 00:21:45,030 --> 00:21:56,498 Removes the attractive association of the other star to allow him to escape Or being thrown across the galaxy in its high-speed orbit 218 00:21:58,658 --> 00:22:03,391 I have some super stars The past speed is darker 219 00:22:03,426 --> 00:22:07,221 It drips from a black hole 220 00:22:07,256 --> 00:22:11,735 There are trillions of black holes in the universe 221 00:22:11,770 --> 00:22:19,066 There are almost huge black holes in the center All large galaxies including our galaxy 222 00:22:20,475 --> 00:22:25,657 These monsters create Chaos on the associated stars 223 00:22:25,692 --> 00:22:31,179 There is a binary star system and two orbits Around the black hole in the middle of our galaxy 224 00:22:31,214 --> 00:22:37,623 When they approach, one falls into the hole Black and the other shoots away at high speed 225 00:22:40,319 --> 00:22:45,380 Those super stars glow Speed through interstellar space 226 00:22:45,415 --> 00:22:51,178 Its starry winds bring beauty from chaos 227 00:22:52,004 --> 00:22:59,553 Most of the high-speed stars we see are Giant stars are bigger, warmer and brighter than the sun 228 00:22:59,588 --> 00:23:02,973 They make their way through interstellar matter 229 00:23:03,008 --> 00:23:07,003 Its winds extend and hit with gas and dust 230 00:23:07,038 --> 00:23:14,880 What you see when you look at it is that The bow is as beautiful as the front wave of the ship 231 00:23:14,915 --> 00:23:21,881 We have pictures of them, they are beautiful beautiful patterns 232 00:23:24,489 --> 00:23:29,987 High-speed stars draw the universe's plate 233 00:23:32,341 --> 00:23:39,817 It may sound quiet, but space between The star is far from calm 234 00:23:45,387 --> 00:23:48,839 It is not a property, it is a wild area 235 00:23:48,874 --> 00:23:50,939 You can do whatever you wish 236 00:23:50,974 --> 00:23:57,706 In rugged galactic areas, the bad guys prevail 237 00:24:15,692 --> 00:24:18,689 Dozens of light years away from the sun 238 00:24:18,724 --> 00:24:22,310 Mysterious bodies disappear in the dark 239 00:24:23,168 --> 00:24:26,322 We saw only part of the material there 240 00:24:26,357 --> 00:24:29,721 This is the next big discovery 241 00:24:31,056 --> 00:24:39,662 In 2016, scientists monitored a weak source of light Infrared light 59 light years away from Earth 242 00:24:44,492 --> 00:24:49,251 He is darker than a star and does not revolve around a star 243 00:24:51,556 --> 00:24:55,175 It is only a stray planet 244 00:24:55,210 --> 00:24:58,852 When we think of the planet We believe that an object revolves around a star 245 00:24:58,887 --> 00:25:02,019 In fact, this is the current definition of the planet 246 00:25:02,054 --> 00:25:04,519 What if it is not about anything? 247 00:25:04,554 --> 00:25:07,190 We call it planets 248 00:25:13,161 --> 00:25:18,029 The next year he picked up Astronomers have more detailed images 249 00:25:18,928 --> 00:25:22,277 They found not one world but two worlds 250 00:25:24,320 --> 00:25:32,659 This is amazing, that body is the middle of space, if not two The stars of the two planets are orbiting each other 251 00:25:34,174 --> 00:25:37,716 The constellation is four times the mass of Jupiter 252 00:25:37,751 --> 00:25:40,276 300 million miles from each other 253 00:25:40,311 --> 00:25:43,748 More than three times The distance between the earth and the sun 254 00:25:43,783 --> 00:25:47,325 They revolve around each other every century 255 00:25:48,235 --> 00:25:52,167 Do not imagine a planet Charda but two planets 256 00:25:52,202 --> 00:25:54,727 Two planets revolve around each other 257 00:25:55,663 --> 00:26:00,360 They may be two giant giants as the buyer If they were, there would be no surface 258 00:26:00,395 --> 00:26:04,281 But if they were old, it was lost They have enough time to cool down 259 00:26:04,316 --> 00:26:06,270 They may have two surfaces 260 00:26:06,305 --> 00:26:11,658 , We do not know, but they will be gloomy There is no nearby star to illuminate them 261 00:26:14,498 --> 00:26:21,538 The stagnant planets slide into eternal darkness Across the wide, cold expanse of interstellar space 262 00:26:23,187 --> 00:26:27,522 Not touched by light for millions of years 263 00:26:28,370 --> 00:26:32,243 Suppose you found yourself standing up On the surface of one of those stray planets 264 00:26:32,278 --> 00:26:36,088 It will be a strange sight, there will be no sun 265 00:26:36,123 --> 00:26:40,019 It will only be the night sky around you 266 00:26:40,955 --> 00:26:45,190 Imagine a dark night Lunar is here on Earth 267 00:26:45,225 --> 00:26:49,279 This is the level of light that exists In interstellar space 268 00:26:51,634 --> 00:26:57,692 Physicists believe there are billions Planetary planets in our galaxy 269 00:26:57,727 --> 00:27:00,762 Planet for all four stars 270 00:27:01,830 --> 00:27:05,798 The question is why you exist Those stray planets? 271 00:27:05,833 --> 00:27:11,006 Have you been alone or have been prostrated? Somehow outside its solar system? 272 00:27:11,041 --> 00:27:13,348 The answer holds both 273 00:27:19,022 --> 00:27:25,369 Some of the stray planets were formed Groups of gas that did not become stars 274 00:27:25,404 --> 00:27:32,481 Others formed as planets around Stars in solar systems as our system 275 00:27:32,516 --> 00:27:38,223 When the systems were formed Solar, were violent places 276 00:27:38,258 --> 00:27:42,519 Sometimes the planets crash And become one body 277 00:27:42,554 --> 00:27:48,684 Sometimes you miss the whole thing They stray away from each other and toss 278 00:27:49,812 --> 00:27:57,362 So these planets exist Her entire life is completely lonely 279 00:28:01,911 --> 00:28:08,222 Without a star warming it, the planets look Uncertainty places unbearable life 280 00:28:09,110 --> 00:28:13,053 The planet stalks alone in Space will not be good for life 281 00:28:13,088 --> 00:28:18,575 It's cold there, if it's a size Earth may be a frozen ball 282 00:28:19,475 --> 00:28:27,789 But in 2018, astronomers announced that life May harbor a moon around a stray planet 283 00:28:29,607 --> 00:28:35,992 There are moons orbiting Jupiter Saturn is so dense with planetary gravity 284 00:28:36,027 --> 00:28:38,394 It has nothing to do with the sun 285 00:28:39,304 --> 00:28:42,752 When those satellites deviate By the gravity of the planet 286 00:28:42,787 --> 00:28:46,732 The friction generates heat that makes the water liquid 287 00:28:49,221 --> 00:28:53,698 It is possible if the planet can Stray from keeping his moons 288 00:28:53,733 --> 00:28:57,925 It was probably a satellite Contains liquid ocean under its surface 289 00:28:57,925 --> 00:29:01,659 You do not need a star But the planet is heating up 290 00:29:06,842 --> 00:29:10,479 Space between the stars is not empty 291 00:29:10,529 --> 00:29:15,236 But it is full of unrelated objects that have no habitat 292 00:29:16,490 --> 00:29:20,375 You may imagine space between Asteroid as a pinball machine 293 00:29:20,410 --> 00:29:22,872 There are high-speed stars and rare planets 294 00:29:22,907 --> 00:29:25,942 There are even moons from their planets 295 00:29:25,977 --> 00:29:28,296 They all go out there 296 00:29:29,250 --> 00:29:36,107 Interstellar space is more active And life than we would imagine as illustrated 297 00:29:36,142 --> 00:29:40,092 He even has a pull sing 298 00:30:01,511 --> 00:30:09,613 Hundreds of light years away, quantities drift A vast gas and dust across interstellar space 299 00:30:10,570 --> 00:30:14,027 Imagine all this space between The stars are full of gas and dust 300 00:30:14,062 --> 00:30:18,675 Full of star formation stories Planets, we were missing a lot 301 00:30:19,486 --> 00:30:25,101 Scientists call gas and dust Interstellar interstellar medium 302 00:30:27,612 --> 00:30:31,712 It is most of the material present in the galaxy 303 00:30:31,747 --> 00:30:35,726 They are atoms of hydrogen and little Of helium atoms here and there 304 00:30:39,254 --> 00:30:44,664 The interstellar medium does not spread evenly across the galaxy 305 00:30:44,699 --> 00:30:50,063 It is cobbled and lumpy and there are areas of it More materials and other materials less 306 00:30:51,893 --> 00:30:56,454 Areas with more materials The drag is called interstellar 307 00:30:59,328 --> 00:31:05,090 What is the cloud between stellar only Intensive concentration of gas and possibly dust 308 00:31:05,125 --> 00:31:08,171 Scattered across our galaxy 309 00:31:10,160 --> 00:31:14,951 The interstellar clouds may spread For vast distances across the universe 310 00:31:16,551 --> 00:31:21,598 Some up to one million times the mass of the sun 311 00:31:21,633 --> 00:31:23,383 This amazes me 312 00:31:23,418 --> 00:31:28,416 When I look at that interstellar clouds I realize that its size is light years 313 00:31:32,250 --> 00:31:37,526 The interstellar clouds are more than Just pools of gas and dust 314 00:31:37,561 --> 00:31:39,856 It is alive 315 00:31:40,716 --> 00:31:44,282 We know that places where the stars are made up 316 00:31:45,082 --> 00:31:49,850 They are also places of star death 317 00:31:56,356 --> 00:32:01,425 Stars are formed when The interstellar cloud collapses 318 00:32:01,460 --> 00:32:06,801 Gravity pulls materials together to ignite pulp 319 00:32:09,724 --> 00:32:14,626 But astronomers are not fully aware of the process 320 00:32:15,475 --> 00:32:22,475 Understand the shape and composition of the cloud It is important to understand the star formation process 321 00:32:22,510 --> 00:32:27,595 Some shapes and structures are not as big Enough in some dimensions to allow the collapse of the cloud 322 00:32:27,630 --> 00:32:32,424 All we know about it depends on its shape 323 00:32:32,459 --> 00:32:35,809 So figuring out the shape is the key to understanding the process 324 00:32:38,719 --> 00:32:40,576 But there is a problem 325 00:32:41,425 --> 00:32:46,460 When we look at the universe we are We see things on the sky 326 00:32:46,461 --> 00:32:54,703 So we may look at the installation as the sweep between And have little information about its depth 327 00:32:54,738 --> 00:33:02,224 One of the biggest challenges for astronomers is Disassemble the three-dimensional shape of that drag 328 00:33:05,051 --> 00:33:12,014 In 2018, there was a big shift for scientists In their efforts to understand star formation 329 00:33:13,275 --> 00:33:16,370 490 light-years from Earth 330 00:33:16,371 --> 00:33:21,189 "There is an interstellar cloud called Mosca 331 00:33:21,224 --> 00:33:24,837 Similar to a fine snake 332 00:33:24,872 --> 00:33:29,432 This dark painting is dark The expression looks like a dark two-dimensional cloud 333 00:33:29,659 --> 00:33:32,910 Its a silhouette off The stars are in the background in the sky 334 00:33:32,945 --> 00:33:38,063 Astronomers have examined Mosca with infrared light 335 00:33:39,394 --> 00:33:43,176 They found out that she was singing 336 00:33:44,049 --> 00:33:48,991 It oscillates, creating moving waves Across that cloud back and forth 337 00:33:49,026 --> 00:33:54,409 Dynamic fluid waves are called Magnetism which looks fantastic 338 00:33:56,750 --> 00:34:02,990 The team converted the waves to "Musical tones for the song" Moska 339 00:34:16,201 --> 00:34:22,188 It turns out that when you study so you can Determine the 3D shape of that cloud 340 00:34:22,223 --> 00:34:24,226 Through the movement of waves across it 341 00:34:28,723 --> 00:34:34,102 It's like listening to The sound frequency of the machine you do not see 342 00:34:34,137 --> 00:34:37,522 And trying to reshape the nature of that machine 343 00:34:44,225 --> 00:34:49,159 The low tone tells you that Tapping for a huge machine like a cello 344 00:34:51,510 --> 00:34:56,530 While the high tone It represents a smaller machine like Kalkman 345 00:34:57,376 --> 00:35:02,031 Just as different machines produce different sounds 346 00:35:03,509 --> 00:35:08,917 The drag structures Different hesitate in different ways 347 00:35:08,952 --> 00:35:12,820 She will sing completely different songs 348 00:35:12,855 --> 00:35:20,128 Voices, whether to say or frequencies issued Of the cloud is a fundamental guide to its shape and composition 349 00:35:20,163 --> 00:35:23,341 Although the Mosca cloud looks like a line in the sky three hundred fifty 00:35:23,376 --> 00:35:26,190 Astronomers were able to determine their stereotypical shape 351 00:35:26,225 --> 00:35:32,471 Not just a thread but a disk As if we see a disc standing on its own 352 00:35:36,005 --> 00:35:39,853 Mosca "is more like a pie than a snake" 353 00:35:39,888 --> 00:35:44,493 Inn did look at the pie from the side 354 00:35:45,890 --> 00:35:53,691 This is amazing, as if we were wearing glasses Stereoscopic for the first time and see the depth of the universe 355 00:35:56,567 --> 00:36:01,686 The same technology can be used To study the interstellar clouds 356 00:36:02,512 --> 00:36:08,650 Bring with it a lot of knowledge treasures About the structures and processes taking place there 357 00:36:19,946 --> 00:36:26,242 We discover that interstellar space In our galaxy is full of substances 358 00:36:27,079 --> 00:36:30,769 But the total number is minus 359 00:36:31,716 --> 00:36:36,447 It turns out that if we took all the materials Which we now see around the universe 360 00:36:36,482 --> 00:36:41,554 And we collected it would not equal quantity The total that we know is there 361 00:36:44,223 --> 00:36:48,156 One-third of the materials are missing 362 00:36:48,191 --> 00:36:50,132 Where is it then? 363 00:36:50,933 --> 00:36:55,470 To find them, we should look Behind interstellar space 364 00:36:56,319 --> 00:37:02,059 To the dark side Mysterious space between the Hungarian 365 00:37:21,712 --> 00:37:28,164 Milky Way is one trillion Galaxies in the Universe Perspective 366 00:37:28,929 --> 00:37:34,050 The Milky Way is a disk About 100,000 light-years away 367 00:37:34,085 --> 00:37:38,975 It is full of stars and lots Of planets, gas and dust 368 00:37:39,010 --> 00:37:41,306 But where does our galaxy end? 369 00:37:41,341 --> 00:37:44,655 Where do the other galaxies begin? 370 00:37:44,690 --> 00:37:49,315 Installation as our shop has no break point 371 00:37:49,350 --> 00:37:58,500 They become less dense and gradually fade away Whenever we move into space between the Hungarian 372 00:38:01,950 --> 00:38:04,895 , galaxies have huge gaps 373 00:38:05,767 --> 00:38:08,425 Space between Hungarian 374 00:38:09,798 --> 00:38:15,355 But as the space between The asteroid is not empty 375 00:38:19,432 --> 00:38:25,245 New research shows that it holds a great puzzle answer 376 00:38:26,171 --> 00:38:30,138 We know the amount of normal material Emerging from the Big Bang 377 00:38:30,173 --> 00:38:34,046 We can look around today and count All the regular items we see 378 00:38:34,081 --> 00:38:37,336 The problem is that they are not equal 379 00:38:38,778 --> 00:38:42,831 There are speeches by galaxies in our universe 380 00:38:42,866 --> 00:38:45,901 Not huge enough 381 00:38:46,690 --> 00:38:52,029 About a third of the ordinary matter in the universe is missing 382 00:38:52,064 --> 00:38:57,176 There is an ordinary substance that is not connected to galaxies 383 00:38:57,211 --> 00:38:59,637 Where is it then? 384 00:39:02,368 --> 00:39:05,572 Assume a theory about the place of those Ordinary Lost Article 385 00:39:05,607 --> 00:39:10,621 They float out of our galaxy in hot gas 386 00:39:14,225 --> 00:39:20,740 Scientists believe that this hot gas May exist in long filaments between galaxies 387 00:39:22,767 --> 00:39:27,683 But the gas is thin and too widespread to detect 388 00:39:29,200 --> 00:39:30,910 Until now 389 00:39:36,091 --> 00:39:44,841 In 2018, astronomers studied a star The distant matte pseudo is called 1 AS 1553 390 00:39:45,606 --> 00:39:50,338 The false star exists when the black hole feeds 391 00:39:52,582 --> 00:39:57,680 It releases light and we can see it across the universe 392 00:39:59,851 --> 00:40:04,644 The stars are false Four billion years until you reach us 393 00:40:06,028 --> 00:40:09,923 But observing the observers is something strange 394 00:40:09,958 --> 00:40:15,274 Something absorbs light It passes through the universe 395 00:40:16,185 --> 00:40:26,901 Accused ,, hidden threads of gas Suspended in intergalactic space 396 00:40:28,113 --> 00:40:34,958 These results assume that part A great matter of ordinary matter in our universe 397 00:40:34,993 --> 00:40:38,093 Not confined to galaxies 398 00:40:38,128 --> 00:40:39,717 Do not live within the city limits 399 00:40:39,752 --> 00:40:46,538 But live in long flows Thin connecting galaxies together 400 00:40:50,032 --> 00:40:53,794 , by heating its shock waves to millions of degrees 401 00:40:53,829 --> 00:40:58,478 Those threads of gas may extend across the universe 402 00:41:00,759 --> 00:41:06,146 The article is interpreted She was missing all that time 403 00:41:10,186 --> 00:41:13,791 This opens an interesting question 404 00:41:13,826 --> 00:41:19,434 Whether it is there And failed to accumulate in the galaxies? 405 00:41:19,469 --> 00:41:24,288 Or have they started inside the galaxies and pushed out? 406 00:41:24,323 --> 00:41:26,097 We do not know explicitly 407 00:41:31,168 --> 00:41:34,567 Space between interstellar 408 00:41:35,391 --> 00:41:38,131 , and now the inter-Hungarian space 409 00:41:38,166 --> 00:41:40,619 More life than we thought 410 00:41:42,293 --> 00:41:44,866 , of the stray planets 411 00:41:46,516 --> 00:41:49,149 , to pull the singer gas 412 00:41:49,999 --> 00:41:59,744 Space between the stars stranger than Imagination, but we are now beginning to cut his story 413 00:42:00,968 --> 00:42:03,953 Because there is so much We are ignorant of interstellar space 414 00:42:03,988 --> 00:42:08,721 Making it more important to explore Try and find out what is there 415 00:42:08,756 --> 00:42:11,755 Exists in space between The stars are more than we know 416 00:42:11,790 --> 00:42:13,344 This is the beauty of exploration 417 00:42:13,379 --> 00:42:18,587 The beauty of knowledge is expanding Always presented there always 418 00:42:18,822 --> 00:42:23,808 Who knows what might be there too 42309

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