Yes, we landed several spacecraft on the moon with the lunar lander in the Apollo missions. Actually, this there is also the famous arcade game called Lunar Lander. Here is an online version if you ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

At a certain weight, the thrust would counteract the gravitational forces pulling the ball down and begin lifting it off the tube, causing it to move and jump about, and the researchers used these ...