In medieval parts of what is now Germany, married couples could legally settle their disputes by fighting a Marital Duel. To even the field, the man had to fight from inside a hole with one arm tied behind his back. The woman was free to move and was armed with a sack filled with rocks.
#24 - LOL!! what?!.... I did not know that one. Great picture for it too.
#10 You would never get to the "other side". Where is Earth's center of gravity?
#15 Why would light travel AROUND the Earth? The Earth gravity is not strong enough to make light travel around. Maybe it's hypothetical "travel around"?
#20 Yes, because Sun is not an empty space. You can learn about this from "The Feynman Lectures on Physics".