There was a time when scientists thought the Milky Way was the only galaxy in the universehttp://www.vox.com/2016/11/20/13677046/edwin-hubble-andromeda-galaxy …
0 replies
2 retweets
3 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.