A search for the first stars that winked into existence at the dawn of the Universe has yielded one of the oldest stars we've found yet, right next door to our own galaxy.
New findings confirm existence of hot helium stars long-thought to be at the heart of hydrogen-poor supernovae and neutron star mergers. Astronomers at the University of Toronto have discovered a population of massive stars that have been stripped of their hydrogen envelopes by their companions i
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