1 00:00:08,470 --> 00:00:02,140 foreign 2 00:00:11,270 --> 00:00:08,480 [Music] 3 00:00:13,669 --> 00:00:11,280 what is my favorite Hubble image it's 4 00:00:16,210 --> 00:00:13,679 actually the Mosaic that Hubble took of 5 00:00:19,070 --> 00:00:16,220 the Karina nebula 6 00:00:21,170 --> 00:00:19,080 it's in the constellation Carina in the 7 00:00:23,630 --> 00:00:21,180 southern hemisphere 8 00:00:25,970 --> 00:00:23,640 it's just an area of the Galaxy where 9 00:00:28,189 --> 00:00:25,980 material has collected together 10 00:00:30,650 --> 00:00:28,199 our galaxy is what's called a spiral 11 00:00:32,630 --> 00:00:30,660 galaxies has a bright center with a lot 12 00:00:34,850 --> 00:00:32,640 of material in it and then these spiral 13 00:00:37,790 --> 00:00:34,860 arms coming out of it if you look in 14 00:00:40,549 --> 00:00:37,800 areas around the spiral arms as for 15 00:00:43,490 --> 00:00:40,559 material is collected together over many 16 00:00:45,470 --> 00:00:43,500 many millions of years and this is one 17 00:00:47,270 --> 00:00:45,480 of the areas where the conditions were 18 00:00:49,190 --> 00:00:47,280 just right where the magnetic fields 19 00:00:52,310 --> 00:00:49,200 where the pressure from surrounding 20 00:00:55,189 --> 00:00:52,320 stars conspired to push it all together 21 00:00:58,490 --> 00:00:55,199 and create this massive cloud of dust 22 00:01:00,110 --> 00:00:58,500 and gas the Hubble Space Telescope has a 23 00:01:01,790 --> 00:01:00,120 relatively narrow field of view it's 24 00:01:03,889 --> 00:01:01,800 built to zoom in and look at individual 25 00:01:05,750 --> 00:01:03,899 objects so when we want to appreciate an 26 00:01:07,609 --> 00:01:05,760 object of the size we have to create 27 00:01:10,370 --> 00:01:07,619 what's called a mosaic where we take 28 00:01:12,469 --> 00:01:10,380 multiple images and very carefully align 29 00:01:14,630 --> 00:01:12,479 them and stack them together 30 00:01:16,010 --> 00:01:14,640 it's so large you can't see it in a 31 00:01:18,289 --> 00:01:16,020 single image you have to piece together 32 00:01:21,410 --> 00:01:18,299 hundreds of images to cover the entire 33 00:01:25,550 --> 00:01:23,690 lots of variations in temperature of the 34 00:01:28,010 --> 00:01:25,560 gas and dust so the bright material that 35 00:01:30,469 --> 00:01:28,020 you see in here is hot material it's 36 00:01:33,530 --> 00:01:30,479 been heated up by the embedded Stars the 37 00:01:35,390 --> 00:01:33,540 really dark clouds are cool very dense 38 00:01:38,210 --> 00:01:35,400 clouds of dust and gas they tend to be 39 00:01:41,149 --> 00:01:38,220 dustier than these bright areas which 40 00:01:42,890 --> 00:01:41,159 are dominated by gas you see here Mystic 41 00:01:45,530 --> 00:01:42,900 Mountain which is an example of a star 42 00:01:47,810 --> 00:01:45,540 formation area 43 00:01:49,910 --> 00:01:47,820 the top of Mystic Mountain is down to 44 00:01:52,010 --> 00:01:49,920 the left and then the base of it is out 45 00:01:54,230 --> 00:01:52,020 this way so as you see 46 00:01:59,690 --> 00:01:54,240 Mystic Mountain is only a tiny fraction 47 00:02:04,190 --> 00:02:01,910 you see way over here this bright spot 48 00:02:05,389 --> 00:02:04,200 which if you zoom is like a dumbbell 49 00:02:08,570 --> 00:02:05,399 shape 50 00:02:10,550 --> 00:02:08,580 at a Carina which is a red giant that's 51 00:02:12,650 --> 00:02:10,560 a star in the process of dying in the 52 00:02:15,350 --> 00:02:12,660 last stages of Stellar Revolution and 53 00:02:17,949 --> 00:02:15,360 it's blowing Material off 54 00:02:21,170 --> 00:02:17,959 foreign 55 00:02:24,530 --> 00:02:21,180 the entire range of the evolution of a 56 00:02:27,250 --> 00:02:24,540 single star from its birth to its death 57 00:02:30,110 --> 00:02:27,260 and everything in between 58 00:02:33,410 --> 00:02:30,120 all through this nebula so collectively 59 00:02:35,990 --> 00:02:33,420 it's an immense Factory of forming star 60 00:02:38,150 --> 00:02:36,000 systems and we hope planets around those 61 00:02:39,530 --> 00:02:38,160 star systems 62 00:02:42,050 --> 00:02:39,540 so this is an image you can download 63 00:02:43,729 --> 00:02:42,060 from the Hubble site and it's it's got 64 00:02:45,650 --> 00:02:43,739 enough data and depth in it you can 65 00:02:47,750 --> 00:02:45,660 print it out to go on your wall That's 66 00:02:49,369 --> 00:02:47,760 How many pixels it's got it and you can 67 00:02:51,170 --> 00:02:49,379 download it on a computer and just zoom 68 00:02:53,509 --> 00:02:51,180 in and see the kind of detail you saw in 69 00:02:55,070 --> 00:02:53,519 Mystic Mountain anywhere else in this