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News for Norther Colorado and the world

Thursday, November 27, 2014

Posts Tagged ‘V838 Mon’

Astronomy Picture of the Day

Astronomy Picture of the Day

For reasons unknown, star V838 Mon's outer surface suddenly greatly expanded with the result that it became the brightest star in the entire Milky Way Galaxy in January 2002. Then, just as suddenly, it faded. A stellar flash like this had never been seen before. It's true that supernovae and novae expel matter out into space. But while the V838 Mon flash appears to expel material into space, what is seen here is actually an outwardly moving light echo of the bright ... Full Story

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