The prevailing scientific theory proposes that the moon originated from debris ejected into space following a collision ...

The whole cycle takes about 29.5 days, according to NASA, and these different phases happen as the Sun lights up different ...

(via minutephysics) We think of the moon as orbiting the earth, following a spiraling trajectory as the earth itself orbits the sun. But this is wrong. Not only is the moon's orbit NOT a spiral ...

That marble moon is so small I had to put an arrow over it for you. So here's what it comes down to: If you want to show the Earth-sun-moon system, you'd seem to have two options. You could show ...

There are a total of three days this summer when the moon will be around its furthest distance from Earth’s equator, ...