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Crab Nebula

Posted on May 2nd, 2011 | 0 comments
Crab Nebula

Crab Nebula

 

A composite image of the Crab Nebula showing the X-ray (blue), and optical (red) images superimposed. The size of the X-ray image is smaller because the higher energy X-ray emitting electrons radiate away their energy more quickly than the lower energy optically emitting electrons as they move.


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