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Cygnus Loop Supernova

File:Cygnus Loop Supernova Blast Wave - GPN-2000-000992.jpg

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Whoa, what happened here? Five to ten thousand years ago, a massive star exploded, sending out shock-waves in all directions, creating the Cygnus Loop. The blast shell is currently expanding at 370,000 mph and emits energy across the electromagnetic spectrum: radio, visible, x-ray, and ultra-violet. Some of the ejecta material, however, is travelling faster: the violet streak of light near the top of the image marks the path of a knot of gases moving at nearly 3 million mph. This image is a combination of three photographs: one capturing green light (hydrogen atoms), one, blue light (oxygen atoms); and the last, red light (sulfur atoms). 

The visible part of the Swan Loop is called the Veil Nebula, and was discovered by William Herschel in 1784.

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RT’s Related Posts: 1) Guest Star.

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Photo: Cygnus Loop Supernova Blast Wave (1993); Hubble Space Telescope. Author: NASA, J.J. Hester Arizona State University. WikiCmns; Public Domain.

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  1. August 31, 2013 at 8:16 pm

    STUNNING!! xxx

  2. August 31, 2013 at 8:51 pm

    Reblogged this on geniusbird.

    • August 31, 2013 at 9:35 pm

      gb: thanks for the reblog; it always helps! RT

  3. August 31, 2013 at 9:53 pm

    Reblogged this on victormiguelvelasquez.

  4. Kev
    September 2, 2013 at 12:38 pm

    Wondrous! Absolutely Wondrous!

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