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Space The Bubble Nebula

Discussion in 'Tech, Science, and Space' started by Robby, Jan 24, 2009.

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  1. Robby

    Robby The Robot

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    NASA Astronomy Picture Of The Day
    The Bubble Nebula


    [​IMG]


    The Bubble Nebula
    Credit & Copyright: Kent Wood

    Explanation: Blown by the wind from a massive star, this interstellar apparition has a surprisingly familiar shape. Cataloged as NGC 7635, it is also known simply as The Bubble Nebula. This colorful telescopic image includes a long exposure through a hydrogen alpha filter to reveal details of the cosmic bubble and its environment. Although it looks delicate, the 10 light-year diameter bubble offers evidence of violent 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 that of the Sun. A fierce stellar wind and intense radiation from the star has blasted out the structure of glowing gas against denser material in a surrounding molecular cloud. The intriguing Bubble Nebula lies a mere 11,000 light-years away toward the boastful constellation Cassiopeia.



    (Via NASA)
     

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