NASA's Top Images of 2012

Hubble Solves Mystery on Source of Supernova in Nearby Galaxy

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nasa image

credit: NASA

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Some mysteries of the universe were explained this year, including the source of the supernova in a neighboring galaxy.

Using NASA's Hubble Space Telescope, astronomers have solved a longstanding mystery on the type of star, or so-called progenitor, that caused a supernova in a nearby galaxy. The finding yields new observational data for pinpointing one of several scenarios that could trigger such outbursts.

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