SomethingMoreToSay t1_j2di49z wrote
Reply to comment by Full_Temperature_920 in eli5: back then, before astronouts goes to space, how do we know about thing like nonexistent of oxygen & zero gravity? by zetasstra
>Wait, so you're saying things in orbit are just endlessly falling?
That's exactly right.
Fun fact: If you want to go into space, the key problem isn't going high enough, it's going fast enough. If you don't go fast enough, you'll fall down and hit the earth. But if you go fast enough, you'll miss the earth and you'll be in orbit.
Viewing a single comment thread. View all comments