Newton's law of universal gravitation states that every particle attracts every other particle in the universe with a force that is proportional to the product of their masses and inversely proportional to the square of the distance between their centers. Separated objects attract and are attracted as if all their mass were concentrated at their...
This simulation shows how the Moon was created. A Mars-sized planet called Theia collided with Earth, merging together and ejecting debris that later formed our Moon.
fathom hull
quartz helm
