Edwin Powell Hubble

Equipped with his five senses, man explores the universe around him and calls the adventure Science. ↗

— Edwin Powell Hubble

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The history of astronomy is a history of receding horizons. ↗

— Edwin Powell Hubble

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#history #horizons #receding #the history of

The great spirals... apparently lie outside our stellar system. ↗

— Edwin Powell Hubble

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#great #lie #our #outside #spirals