The history of astronomy is a history of receding horizons.

quote by Edwin Powell Hubble
Added by Lucian Velea
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The great spirals... apparently lie outside our stellar system.

quote by Edwin Powell Hubble
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Equipped with his five senses, man explores the universe around him and calls the adventure Science.

quote by Edwin Powell Hubble
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We find them smaller and fainter, in constantly increasing numbers, and we know that we are reaching into space, farther and farther, until, with the faintest nebulae that can be detected with the greatest telescopes, we arrive at the frontier of the known universe.

quote by Edwin Powell Hubble
Added by Lucian Velea
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