1 00:00:18,790 --> 00:00:17,349 yeah dark matter 2 00:00:22,230 --> 00:00:18,800 black holes 3 00:00:24,550 --> 00:00:22,240 supernovas mysterious galactic phenomena 4 00:00:27,990 --> 00:00:24,560 that hold the secrets to the origin 5 00:00:30,390 --> 00:00:28,000 evolution and destiny of the universe 6 00:00:33,670 --> 00:00:30,400 today those secrets are unraveling 7 00:00:36,630 --> 00:00:33,680 faster than ever due in large part to 8 00:00:39,990 --> 00:00:36,640 discoveries made by nasa's chandra x-ray 9 00:00:43,270 --> 00:00:40,000 observatory a powerful telescope system 10 00:00:45,990 --> 00:00:43,280 designed to view and record x-rays from 11 00:00:47,830 --> 00:00:46,000 high-energy regions of the universe 12 00:00:49,190 --> 00:00:47,840 chandra really gives us information 13 00:00:53,270 --> 00:00:49,200 about the universe that the other 14 00:00:55,430 --> 00:00:53,280 missions don't and can't it's it's x-ray 15 00:00:57,830 --> 00:00:55,440 sensitivity sheds light on what's going 16 00:00:59,510 --> 00:00:57,840 on at very high energies and these are 17 00:01:01,750 --> 00:00:59,520 processes that you wouldn't even have 18 00:01:03,830 --> 00:01:01,760 suspected were going on if there weren't 19 00:01:05,830 --> 00:01:03,840 x-rays there to tell you about them 20 00:01:09,109 --> 00:01:05,840 and from this you know we have been able 21 00:01:12,710 --> 00:01:09,119 to pin down black holes and neutron 22 00:01:14,789 --> 00:01:12,720 stars and supernova in a way that 23 00:01:15,830 --> 00:01:14,799 couldn't be done without this type of 24 00:01:18,390 --> 00:01:15,840 instrument 25 00:01:20,950 --> 00:01:18,400 chandra has the most sophisticated x-ray 26 00:01:23,429 --> 00:01:20,960 detection system ever built providing 27 00:01:25,590 --> 00:01:23,439 scientists with astronomical details 28 00:01:28,469 --> 00:01:25,600 previously inaccessible 29 00:01:31,030 --> 00:01:28,479 the observatory has three components the 30 00:01:33,190 --> 00:01:31,040 x-ray telescope whose four pairs of 31 00:01:34,149 --> 00:01:33,200 mirrors focus x-rays from celestial 32 00:01:35,830 --> 00:01:34,159 bodies 33 00:01:37,990 --> 00:01:35,840 science instruments that record the 34 00:01:39,350 --> 00:01:38,000 x-rays from which images are produced 35 00:01:42,310 --> 00:01:39,360 for analysis 36 00:01:44,710 --> 00:01:42,320 and the spacecraft itself which provides 37 00:01:46,149 --> 00:01:44,720 a safe environment for the telescope and 38 00:01:48,469 --> 00:01:46,159 instruments 39 00:01:50,630 --> 00:01:48,479 flying more than 200 times higher than 40 00:01:51,749 --> 00:01:50,640 hubble more than a third of the way to 41 00:01:54,310 --> 00:01:51,759 the moon 42 00:01:57,510 --> 00:01:54,320 chandra observes x-rays from clouds of 43 00:02:00,550 --> 00:01:57,520 gas some of which are so vast it takes 44 00:02:02,630 --> 00:02:00,560 light five million years to go from one 45 00:02:04,310 --> 00:02:02,640 side to the other there's two kinds of 46 00:02:06,789 --> 00:02:04,320 questions that that chandra has been 47 00:02:09,749 --> 00:02:06,799 focusing on lately one of them is more 48 00:02:11,750 --> 00:02:09,759 cosmological in nature having to do with 49 00:02:14,309 --> 00:02:11,760 the existence of dark matter and the 50 00:02:16,229 --> 00:02:14,319 existence of dark energy both of which 51 00:02:18,150 --> 00:02:16,239 chandra can 52 00:02:21,430 --> 00:02:18,160 shed some light on and these are very 53 00:02:23,589 --> 00:02:21,440 pressing problems with today's cosmology 54 00:02:25,110 --> 00:02:23,599 issues another area that chandra's been 55 00:02:27,190 --> 00:02:25,120 making a lot of progress lately is the 56 00:02:29,190 --> 00:02:27,200 study of supernova remnants it's 57 00:02:31,910 --> 00:02:29,200 discovered the most recent supernova 58 00:02:33,830 --> 00:02:31,920 that has taken place in our galaxy and 59 00:02:34,790 --> 00:02:33,840 in some of the older supernova remnants 60 00:02:37,110 --> 00:02:34,800 it's been 61 00:02:38,390 --> 00:02:37,120 measuring the temperature structure and 62 00:02:42,949 --> 00:02:38,400 the 63 00:02:45,190 --> 00:02:42,959 supernova remnant 64 00:02:48,710 --> 00:02:45,200 nine years after launch and deployment 65 00:02:51,589 --> 00:02:48,720 of this technological marvel in 1999 66 00:02:54,630 --> 00:02:51,599 chandra continues to operate smoothly 67 00:02:57,270 --> 00:02:54,640 delivering exclusive premier images of 68 00:03:01,350 --> 00:02:57,280 galaxy clusters remnants of exploding 69 00:03:03,670 --> 00:03:01,360 stars and other events of the cosmos