quarta-feira, agosto 25, 2004

 
Cassiopeia A. Extraodinário.

This image shows Cassiopeia A in the most detailed image ever made of the remains of an exploded star. The colors represent different ranges of X-rays with red, green, and blue representing, low, medium, and higher X-ray energies of the supernova remnant. The one million second image shows a bright outer ring (green) ten light years in diameter that marks the location of a shock wave generated by the supernova explosion

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