Mysterious stars linked to supernova death

May 22, 2014 2:04 AM

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A little-understood type of star, a Wolf-Rayet, has been shown to be the progenitor of a supernova.

Despite being over 20 times the mass of the Sun and at least five times hotter, Wolf-Rayet stars are poorly understood. They are rare and often shrouded by other interstellar bodies, and their lifecycle has been enigmatic. Now, new data gathered by the intermediate Palomar Transient Factory survey h...

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