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Why does the moon revolve around the earth?

It just moves forward. The moon isn’t stationary. It has inertia and no atmosphere in space to slow it down. It just goes. As it moves forward, the gravity of Earth tugs on it and it falls, but because it’s moving forward it misses Earth as it falls and goes around, again and again. That’s […]

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How Big does a Moon Have to Be?

Not very big! It would just have to be natural. Not made by man! And it wouldn’t have to be there for very long either. Just long enough for it to be in orbit. The astronomical community doesn’t have a definition for moon other than it has to be a natural object. Thus captured asteroids […]

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Is it possible to build an outpost between Earth and Mars?

By looking at the illustration below, you would think so! Earth and Mars are so close, why not build an outpost between to make it easier to go there! Unfortunately, this image only shows us the relative distances the planets have from the sun. Actually, Earth orbits the sun faster than Mars because Earth is […]

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