American astronaut Rick Wiseman, whom we wrote about earlier this week, has posted the first-ever Vine from space.
It's way cool.
Wiseman posted a sped up tracking shot of Earth's terminator line — the point at which its surface is divided into "night" and "day" by the sun — as seen from the International Space Station.
Of course, the sun never sets in space, so when you're orbiting the Earth, all you see is the sun going around and around: