Yet another star exits at the end of 2016 - Vera Rubin discovered dark matter.

Scientist who discovered dark matter dead at 88.

quote:

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Vera Rubin, 1928–2016, was an American astronomer who pioneered work on galaxy rotation rates. She uncovered the discrepancy between the predicted angular motion of galaxies and the observed motion, by studying galactic rotation curves.

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One of the great pioneers of modern astronomy, Ms. Rubin lived a quiet and unassuming life. Her discovery led to a monumental change in our understanding of the composition of the Universe.