RT @sciam: Stellar effort: Chart of Milky Way includes more than one billion stars https://t.co/R1v8A1GVWp https://t.co/6CYhAhaRXa

Stellar effort: Chart of Milky Way includes more than one billion stars https://t.co/R1v8A1GVWp pic.twitter.com/6CYhAhaRXa

— Scientific American (@sciam) April 24, 2018

from Twitter https://twitter.com/iPhoneMaster13

April 24, 2018 at 11:11AM
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