Ancient civilizations figured it out, mariners confirmed it and space missions let us see it with our own eyes — Earth is round! A NASA scientist explains how we’ve known for centuries that our planet is a sphere. More:

@NASA And here we go NASA, baiting flat earthers is now a sport huh? 😂

@NASA Super ⚘️ cool 😅 rund ist unser Erde 🌎

@NASA what about mars? is mars round or flat? we dont know that yet 🤔

@NASA Mars is round! Or, round-ish. Like Earth, Mars isn't a perfect sphere. This video, made from images taken using a @NASAJPL camera on @NASAHubble, shows Mars rotating.

“Unlock the secrets of reality! Discover how mathematics reveals the hidden world of complete rational abstraction –Discover how Pythagoras’ 'Music of the Spheres' evolves into the current scientific theory known as String Theory.” (Book IV The Cosmic Symphony)

@NASA Am I the only one that sees a gentle arc when I look at the horizon?

@NASA Clearly he isn't, but the dude looks the type to preach the flat earth thought. It is a mystery it is a thought at all. Just looking at the horizon from the shore will show the curvature.