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Author Topic: M31: NASA's Chandra Reveals Origin of Key Cosmic Explosions  (Read 626 times)

Offline sam

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M31: NASA's Chandra Reveals Origin of Key Cosmic Explosions
« on: February 19, 2010, 00:59 »
http://chandra.harvard.edu/photo/2010/type1a/

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New results show that the Chandra image would be about 40 times brighter than observed if Type Ia supernova in the bulge of this galaxy were triggered by material from a normal star falling onto a white dwarf star. This implies that the merger of two white dwarfs is the main trigger for Type Ia supernovas for the area observed by Chandra. Similar results for five elliptical galaxies were found.
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Offline Clive

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Re: M31: NASA's Chandra Reveals Origin of Key Cosmic Explosions
« Reply #1 on: February 19, 2010, 11:05 »
M31 is much in the news this week!   8-)
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