Galaxies and the Universe

@article{Oort1970GalaxiesAT,
  title={Galaxies and the Universe},
  author={J. Oort},
  journal={Science},
  year={1970},
  volume={170},
  pages={1363 - 1370}
}
  • J. Oort
  • Published 1970
  • Physics
  • Science
A brief review is given of what the study of galaxies has taught us about properties of the universe. It is assumed that the universe started from a general "explosion," and that the general expansion observed today, as well as the 3�K blackbody radiation, are consequences of this explosion. The present average density in the universe is probably close to the critical value of 10-29 g/cm3. Only about 3 percent of this is contained in galaxies; the rest consists probably of intergalactic gas at… Expand
13 Citations

References

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