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well the uses are that you can find out loads and loads about planets and you can find out about chemical elements and about chemicals and about Biology and stuff and like you learn the nine planets in our solar system even though there could be more planets that could not yet be discovered they think there is life on mars because they think there is water on mars and space was created by the big bang and it has been expanding ever since and rapidly so there are other solar systems and stuff and there are millions maybe well more than likely billions of planets. and you can learn loads way more.

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13y ago

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