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Stellar mass limited

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.

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Figure 1: Clash of giants — the colliding Antennae galaxies, observed with the Hubble Space Telescope12.



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Kroupa, P. Stellar mass limited. Nature 434, 148–149 (2005).

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