Cosmic questions: an introduction.

@article{Primack2001CosmicQA,
  title={Cosmic questions: an introduction.},
  author={Joel R. Primack and Nancy Ellen Abrams},
  journal={Annals of the New York Academy of Sciences},
  year={2001},
  volume={950},
  pages={
          1-16
        }
}
This introductory talk at the Cosmic Questions conference sponsored by the AAAS summarizes some earlier pictures of the universe and some pictures based on modern physics and cosmology. The uroboros (snake swallowing its tail) is an example of a traditional picture. The Biblical flat-earth picture was very different from the Greek spherical earth-centered picture, which was the standard view until the end of the Middle Ages. Many people incorrectly assume that the Newtonian picture of stars… Expand
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