RT @mcnees: RIP Vera Rubin. Her work on galactic rotation revealed a fundamental problem and revealed existence of Dark Matter.… https://t.co/snNMUr6dm4

RT @mcnees: RIP Vera Rubin. Her work on galactic rotation revealed a fundamental problem and revealed existence of Dark Matter.… https://t.co/snNMUr6dm4 Source:

RIP Vera Rubin. Her work on galactic rotation revealed a fundamental problem and revealed existence of Dark Matter.https://t.co/KdhjdggwVT http://pic.twitter.com/9DJDjOKgyb

— Robert McNees (@mcnees) December 26, 2016

December 26, 2016 at 08:16PM
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