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News and Views
Nature 434, 148-149 (10 March 2005) | doi:10.1038/434148a; Published online 9 March 2005
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Astronomy: Stellar mass limited
Pavel Kroupa1
Abstract
Is there an upper limit to the mass of a star? The answer to this long-standing question seems to be yes — and it has important consequences for our understanding of the evolution of galaxies.
Stars form from interstellar gas and synthesize elements heavier than helium in their cores. Carbon, oxygen, silicon and iron, which are crucial for the existence of planets — and for life — are produced mostly by stars that are more massive than the Sun.
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Pavel Kroupa is at the Sternwarte of the University of Bonn, Auf dem Huegel 71, D-53121
Bonn, Germany.
e-mail: Email: pavel@astro.uni-bonn.de
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