Astronomy - The Bubble Nebula

Discussion in 'The Newsroom' started by Kent Brockman, Jan 24, 2009.

  1. Kent Brockman

    This just in, go to hell!

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    The Bubble Nebula

    [​IMG]The Bubble NebulaBlown by the wind from a massive star, this interstellarapparition has a surprisinglyfamiliar shape.Cataloged as NGC 7635, it is also known simplyas TheBubble Nebula.This colorfultelescopic imageincludes a long exposure through ahydrogen alpha filter to reveal details ofthe cosmic bubble and its environment.Although it looks delicate, the 10 light-year diameterbubble offers evidence ofviolent processes at work.Above and right of the Bubble's center is a bright, hot,Wolf-Rayet star with a mass 10 to 20 times thatof the Sun.A fierce stellar wind and intense radiation from thestar has blasted out thestructure of glowing gasagainst denser material in a surroundingmolecularcloud.The intriguing Bubble Nebula lies a mere11,000 light-years away toward the boastful constellationCassiopeia.

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