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a star is a sun that is very far away, so it looks small. The moon is made of rock and is much closer. The moon also orbits earth, stars do not

add. A star is bright because it is undergoing fusion processes which elevate the temperature hugely. Many stars are much bigger and brighter than our Sun. See the Hertzsprung - Russell diagram for an idea of where our Sun fits into the scheme of things. Our Sun is a star - it is our closest one.

Our Moon is just a clump of rock and dust, and modern thought suggests that it was created when a Mars sized planet (we call it Theia) brushed up against the earth, very early in Earth's history. This was a devastating collision of course, and both Moon and Earth re-assembled from the debris. We got the better bits!

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14y ago

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