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Clumps and bumps on the road

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  • Melinda L. Weil

    (Columbia University)

Abstract

Astronomers who probe the mysteries of galaxy formation traverse a bumpy road. Some galaxies are easy to distinguish by shape: there are spheroidal ellipticals, and spirals, which contain a bulge at the centre of a disk of stars in which spiral arms curl. But how do these different types form? Does one type evolve into the other? A simple new simulation shows how a spiral galaxy might form from a single gas cloud that first collapses into many large stellar clumps.

Suggested Citation

  • Melinda L. Weil, 1998. "Clumps and bumps on the road," Nature, Nature, vol. 392(6673), pages 228-229, March.
    • Handle: RePEc:nat:nature:v:392:y:1998:i:6673:d:10.1038_32532
    DOI: 10.1038/32532
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