If you love NASA and want to waste away a few hours this is certainly a fun, educational, and entertaining way to do it. They’ve started pages on both GIPHY & Pinterest. Their GIPHY page has some flat out funny and really shareable stuff. While their Pinterest page takes a little bit more of a serious and educational note.
They share some historical imagery/information and of course current stuff too. Everything from what’s going on with our solar system to weather patterns on Earth.