エドウィン・ハッブルさんの誕生日
ブログ:https://t.co/K4pXajBsS8
本日11/20は、ハッブル望遠鏡でおなじみ、エドウィン・ハッブルさんの誕生日です。

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Daily - Day 11-20-18
A tribute to one of the most important astronomers of all time, (11 20, 1889 – 09 28, 1953), for his birthday. Hubble’s works proved that the universe is expanding via solidified the .
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The center of the universe? A cat, surely. Just ask & his kitty Copernicus. https://t.co/L0l2qEgl0r

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