Science | February 20, 2010 | 1 comment

Unsettled Mechanism of Supernova Detonation Gets a New Twist

source: http://www.makeahistory.com/index.php?option=com_content&view=article&id=164:unsettled-mecha...

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Type Ia supernovae, often used to calibrate cosmological measurements, may arise from merging white dwarfs, after all. Their brightness and consistency allow astronomers to use them as so-called standard candles to measure cosmological distances. But a new study presents evidence that, for at least one kind of galaxy, the binary-accretion model should not be more than a minor contributor to the observed type Ia supernovae population. ..... http://www.makeahistory.com/index.php?option=com_content&view=article&id...:unsettled-mechanism-of-supernova-detonation-gets-a-new-twist&catid=30:the-community&Itemid=51
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