Rubin found that most galaxies must contain about six times as much dark as visible mass thus, by 1980 the apparent need for "dark matter" was widely recognized as a major unsolved problem in astronomy
United States · Science / Astronomy. Chronological records rendered directly from the World History Database.
Rubin found that most galaxies must contain about six times as much dark as visible mass thus, by 1980 the apparent need for "dark matter" was widely recognized as a major unsolved problem in astronomy
Rubin worked with a new spectrograph to measure the velocity curve of edge-on spiral galaxies with greater accuracy with results published in 1980
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