Stig Östlund

fredag, maj 22, 2015

Hubble Observes One-of-a-Kind Star Nicknamed 'Nasty'


MAY 21, 2015: Astronomers have spent decades trying to determine the oddball behavior of an aging star nicknamed "Nasty 1" residing in our Milky Way galaxy. Nasty 1 was identified as a Wolf-Rayet star, a rapidly evolving star that is much more massive than our sun. The star loses its hydrogen-filled outer layers quickly, exposing its super-hot and extremely bright helium-burning core.

More:http://hubblesite.org/newscenter/archive/releases/2015/21/

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