Galaxy dynamics and the mass density of the universe.

  title={Galaxy dynamics and the mass density of the universe.},
  author={Vera C. Rubin},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={90 11},
  • Vera C. Rubin
  • Published 1993 in
    Proceedings of the National Academy of Sciences…
Dynamical evidence accumulated over the past 20 years has convinced astronomers that luminous matter in a spiral galaxy constitutes no more than 10% of the mass of a galaxy. An additional 90% is inferred by its gravitational effect on luminous material. Here I review recent observations concerning the distribution of luminous and nonluminous matter in the… CONTINUE READING
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