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August 20, 2013 07:40 pm GMT

Cool Video Shows Nebula Expanding Over 12 Years

Crab_nebula

When a supernova explodes and parts of the stars rush through space at 3 million miles per hour, you get an expanded nebula — and the chance to make a fabulous video

Astrophotographer Adam Block created a video showing how much the Crab Nebula has expanded over the past 12 years

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He took two images of the nebula and placed them over each other and faded in and out. The first image was taken in 1999 by European Southern Observatory using the Very Large Telescope, which was not designed for photography. Block took the second image in 2012 at the Mount Lemmon SkyCenter using the Schulman Telescope, which is designed for astrophotography Read more...

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Original Link: http://feeds.mashable.com/~r/Mashable/~3/nI5UiYQvwIc/

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