1 00:00:09,490 --> 00:00:04,850 foreign 2 00:00:12,350 --> 00:00:09,500 [Music] 3 00:00:18,950 --> 00:00:12,360 deep within the constellation of Pegasus 4 00:00:27,070 --> 00:00:21,890 called Steven's quintet this collection 5 00:00:36,069 --> 00:00:30,109 and how they can interact in dense 6 00:00:41,869 --> 00:00:38,569 ground-based observations show the 7 00:00:48,950 --> 00:00:44,270 and the Hubble Space Telescope captures 8 00:00:56,810 --> 00:00:51,650 using infrared light the Spitzer Space 9 00:01:04,369 --> 00:00:59,869 and the web Space Telescope unveils new 10 00:01:10,010 --> 00:01:07,550 the Chandra x-ray Observatory reveals a 11 00:01:12,730 --> 00:01:10,020 high energy component both in and 12 00:01:15,310 --> 00:01:12,740 between the galaxies 13 00:01:19,190 --> 00:01:15,320 foreign 14 00:01:22,330 --> 00:01:19,200 s this spiral galaxy is much closer than 15 00:01:28,490 --> 00:01:25,429 the visible light view shows numerous 16 00:01:33,050 --> 00:01:28,500 pink star-forming regions and blue young 17 00:01:38,210 --> 00:01:35,510 the infrared view highlights the cool 18 00:01:46,609 --> 00:01:38,220 gas and dust amid a diffuse collection 19 00:01:49,030 --> 00:01:48,890 more distant galaxies are grouped 20 00:01:56,050 --> 00:01:49,040 together 21 00:01:58,969 --> 00:01:56,060 [Music] 22 00:02:04,370 --> 00:01:58,979 these elliptical galaxies are dominated 23 00:02:16,430 --> 00:02:07,130 and have rounded shapes in both infrared 24 00:02:22,130 --> 00:02:19,610 this barred spiral galaxy has few 25 00:02:26,330 --> 00:02:22,140 star-foring regions and some irregular 26 00:02:33,250 --> 00:02:29,690 its core contains an active supermassive 27 00:02:38,760 --> 00:02:36,110 energetic material around the black hole 28 00:02:40,250 --> 00:02:38,770 blazes brightly in x-rays 29 00:02:43,369 --> 00:02:40,260 [Music] 30 00:02:47,869 --> 00:02:43,379 more distant material shines in infrared 31 00:02:55,809 --> 00:02:50,809 a tidal tail provides evidence of an 32 00:03:01,729 --> 00:02:58,790 this small spiral is part of the group 33 00:03:09,490 --> 00:03:01,739 and passed near the larger Bard spiral 34 00:03:15,530 --> 00:03:12,830 this galaxy is undergoing a high-speed 35 00:03:19,850 --> 00:03:15,540 Collision as it crashes into the group 36 00:03:25,850 --> 00:03:23,210 its shape features distorted spiral arms 37 00:03:29,330 --> 00:03:25,860 and stretched out tails with 38 00:03:35,089 --> 00:03:31,430 foreign 39 00:03:37,729 --> 00:03:35,099 this x-ray shocked Ridge marks where the 40 00:03:43,369 --> 00:03:37,739 Galaxy is colliding with the dense gas 41 00:03:49,009 --> 00:03:46,610 a bridge of material that extends in 42 00:03:55,430 --> 00:03:49,019 front of the barred spiral galaxy can be 43 00:03:55,440 --> 00:04:04,490 as bright clouds in infrared light 44 00:04:04,500 --> 00:04:16,870 and dark clouds in visible light 45 00:04:22,670 --> 00:04:19,550 an encounter with the distant elliptical 46 00:04:32,270 --> 00:04:22,680 may have stretched out the spiral before 47 00:04:36,670 --> 00:04:35,150 Stefan's quintet shows several types of 48 00:04:39,290 --> 00:04:36,680 galaxies 49 00:04:41,230 --> 00:04:39,300 including some with stretched and 50 00:04:44,210 --> 00:04:41,240 distorted shapes 51 00:04:48,790 --> 00:04:44,220 that highlight interactions within the 52 00:04:54,170 --> 00:04:51,610 NASA's great observatories provide 53 00:04:56,689 --> 00:04:54,180 multi-wavelength observations that 54 00:04:58,440 --> 00:04:56,699 enable diverse insights into this