These sand dunes on Mars are blue! OR ARE THEY https://boingboing.net/2018/06/25/mars-has-blue-hued-sand-dunes.html …pic.twitter.com/TWcIqmF36s
10:03 PM - 28 Jun 2018
0 replies
2 retweets
23 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.