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Tuesday, October 22, 2019

For 20 years, astronomers have tracked a star designated...



For 20 years, astronomers have tracked a star designated ‘S2’ whipping around the supermassive black hole at the center of our galaxy at up to 3% of the speed of light. (📷 M. Kornmesser/ESO conception) via /r/spaceporn https://ift.tt/32HGKwg



via Tumblr https://ift.tt/2MFTHB6

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