1 00:00:00,949 --> 00:00:09,690 Beauty grace mystery this magnificent 2 00:00:06,060 --> 00:00:12,750 spiral galaxy has it all captured by the 3 00:00:09,690 --> 00:00:15,650 nasa/esa Hubble Space Telescope the 4 00:00:12,750 --> 00:00:19,289 galaxy NGC three three four four 5 00:00:15,650 --> 00:00:21,570 presents itself to us face on providing 6 00:00:19,289 --> 00:00:24,779 astronomers with the chance to study its 7 00:00:21,570 --> 00:00:27,000 intricate and elegant structure and with 8 00:00:24,779 --> 00:00:28,529 Hubble's ability to observe the galaxies 9 00:00:27,000 --> 00:00:31,289 over a wide range of different 10 00:00:28,529 --> 00:00:35,989 wavelengths features are revealed to us 11 00:00:31,289 --> 00:00:35,989 that would otherwise remain invisible 12 00:00:37,330 --> 00:00:42,670 [Music] 13 00:00:46,970 --> 00:00:52,020 spiral galaxies are some of the most 14 00:00:49,530 --> 00:00:55,680 spectacular astronomical objects we can 15 00:00:52,020 --> 00:00:58,380 see and each one faces us at a different 16 00:00:55,680 --> 00:01:02,700 angle making strikingly different shapes 17 00:00:58,380 --> 00:01:05,790 in the sky some can be seen a John 18 00:01:02,700 --> 00:01:09,150 giving astronomers an excellent idea of 19 00:01:05,790 --> 00:01:12,000 the galaxies vertical structure others 20 00:01:09,150 --> 00:01:14,220 are seen at an angle providing hints of 21 00:01:12,000 --> 00:01:19,050 the size and structure of their spiral 22 00:01:14,220 --> 00:01:22,050 arms strikingly many are seen face on 23 00:01:19,050 --> 00:01:26,850 fully showcasing their arms and bright 24 00:01:22,050 --> 00:01:30,149 core in all their beauty approximately 25 00:01:26,850 --> 00:01:34,440 20 million light-years away the galaxy 26 00:01:30,149 --> 00:01:37,229 NGC 3 3 4 4 phases directly towards 27 00:01:34,440 --> 00:01:44,280 Earth giving us breathtaking views of 28 00:01:37,229 --> 00:01:47,130 its swirling arms with all the wonderful 29 00:01:44,280 --> 00:01:49,140 instruments on board Hubble we can see 30 00:01:47,130 --> 00:01:52,350 more than just the visible light this 31 00:01:49,140 --> 00:01:54,630 galaxy emits Hubble's instruments have 32 00:01:52,350 --> 00:01:57,539 observed this galaxy in a variety of 33 00:01:54,630 --> 00:02:00,209 wavelengths delivering a more complete 34 00:01:57,539 --> 00:02:04,440 picture of the structure composition and 35 00:02:00,209 --> 00:02:07,700 behavior of NGC 3 3 4 4 then the human 36 00:02:04,440 --> 00:02:07,700 eye could ever see 37 00:02:08,880 --> 00:02:17,580 the whirling arms of NGC 334 for our the 38 00:02:13,440 --> 00:02:20,580 birthplace of new stars these stars are 39 00:02:17,580 --> 00:02:24,210 extremely hot and young so they shine a 40 00:02:20,580 --> 00:02:27,090 brilliant blue they also emit 41 00:02:24,210 --> 00:02:33,120 ultraviolet light which Hubble captures 42 00:02:27,090 --> 00:02:35,790 and allows us to observe clouds of dust 43 00:02:33,120 --> 00:02:41,460 and gas are also distributed throughout 44 00:02:35,790 --> 00:02:43,650 the spiral arms these are seen best in 45 00:02:41,460 --> 00:02:46,710 the red part of the spectrum using 46 00:02:43,650 --> 00:02:52,610 Hubble's narrow band filters to isolate 47 00:02:46,710 --> 00:02:52,610 H alpha and n3 doubly ionized nitrogen 48 00:02:52,760 --> 00:02:58,920 the clouds colored red in this image 49 00:02:55,850 --> 00:03:05,370 provide the reservoir of material which 50 00:02:58,920 --> 00:03:07,710 will one day form new stars at the 51 00:03:05,370 --> 00:03:10,820 center of the galaxy lies the Galactic 52 00:03:07,710 --> 00:03:14,100 bulge shining in yellow orange light 53 00:03:10,820 --> 00:03:17,370 like the Bulge in the Milky Way it is 54 00:03:14,100 --> 00:03:21,020 composed primarily of older cooler stars 55 00:03:17,370 --> 00:03:21,020 which emit red light 56 00:03:22,930 --> 00:03:28,450 Papa lets us admire the beauty of NGC 57 00:03:25,989 --> 00:03:31,329 three three four four invisible light 58 00:03:28,450 --> 00:03:34,900 but it also lets us learn about this 59 00:03:31,329 --> 00:03:37,450 galaxy's secret internal composition all 60 00:03:34,900 --> 00:03:40,780 with light that is around us but that 61 00:03:37,450 --> 00:03:50,080 our eyes cannot see 62 00:03:40,780 --> 00:03:50,080 [Music] 63 00:04:08,390 --> 00:04:10,450 you 64 00:04:21,620 --> 00:04:23,680 you 65 00:04:26,350 --> 00:04:30,230 now that you've caught up with Hubble 66 00:04:28,340 --> 00:04:31,190 make sure to get the latest from the 67 00:04:30,230 --> 00:04:33,590 ground too 68 00:04:31,190 --> 00:04:35,360 the esocast highlights the best of the 69 00:04:33,590 --> 00:04:37,430 european southern observatory and its 70 00:04:35,360 --> 00:04:39,440 powerful telescopes that observe from 71 00:04:37,430 --> 00:04:41,540 high in the chilean andes at the 72 00:04:39,440 --> 00:04:45,160 southern hemisphere's best known sites 73 00:04:41,540 --> 00:04:45,160 for astronomical observations