1 00:00:00,000 --> 00:00:11,180 Hubble has helped confirm that the Milky Way will merge with which nearby galaxy? 2 00:00:11,180 --> 00:00:14,960 We now realize that our own Milky Way has in the past 3 00:00:14,960 --> 00:00:19,119 merged with other galaxies and will be merging with our neighbor 4 00:00:19,119 --> 00:00:23,359 spiral the Andromeda Galaxy in a few billion years, Hubble has discerned that 5 00:00:23,359 --> 00:00:27,439 we're on a head-on collision but it shouldn't be too disruptive to 6 00:00:27,440 --> 00:00:30,420 our solar system. 7 00:00:30,420 --> 00:00:40,740 "Visualization of Earth's night sky in 3.75 billion years, as Andromeda approaches and merges with the Milky Way." 8 00:00:40,740 --> 00:00:46,000 [ MUSIC ] 9 00:00:46,000 --> 00:00:50,800 What Hubble has revealed is that the universe has in fact 10 00:00:50,800 --> 00:00:53,920 changed over these billions of years of time 11 00:00:53,920 --> 00:00:57,520 the early galaxies, the very distant ones as we see them, 12 00:00:57,520 --> 00:01:03,760 are simple, sometimes they're messy looking, they're small, 13 00:01:03,760 --> 00:01:06,799 they haven't had time yet to form that grand 14 00:01:06,799 --> 00:01:10,159 spiral structure. 15 00:01:10,159 --> 00:01:14,960 Over time we see galaxies actually merging with other galaxies and growing 16 00:01:14,960 --> 00:01:18,720 bigger and bigger and those mergers, by the way, can look like train 17 00:01:18,720 --> 00:01:22,799 wrecks in our Hubble images. This is something that I'm grateful to 18 00:01:22,800 --> 00:01:29,060 the Hubble Space Telescope for opening our eyes to. 19 00:01:29,060 --> 00:01:39,160 [ INSPIRING MUSIC ]