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1 jan 1897 ano - The Yerkes Observatory, "Birthplace of astrophysics" is founded in 1897

Descrição:

It was the world's largest refracting telescope at the time. Used by legends such as Edwin Hubble, Subrahmanyan Chandrasekhar, and Carl Sagan

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19 jan 2020

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1 jan 1897 ano

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~ 128 years ago

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