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Polidh astronomer Nicolaus Copernicus publishes a book suggesting the earth revolves around the sun
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French astronomer Pierre- Simon Laplace publishes his nebular hypothesis, arguing that the planets formed from a mass of incandecsent gas
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The red dwarf Proxima Centauri 4.22 lightyears away, is dicorvered by Robert Innes.
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US astronomer Edwin Hubble proves that the nebula Andromeda is vastly further away than other stars and can only be a seperate galaxy
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Sometime our sun will go supernova