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Shapes Reveal Supernovae History


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#1    thefinalfrontier

thefinalfrontier

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Posted 21 December 2009 - 10:33 AM

www.universetoday.com said:

At a very early age, children learn how to classify objects according to their shape. Now, new research suggests studying the shape of the aftermath of supernovas may allow astronomers to do the same. Images of supernova remnants taken by the Chandra X-ray Observatory shows that the symmetry of the debris from exploded stars, or lack thereof, reveals how the star exploded.This is an important discovery because it shows that the remnants retain information about how the star exploded even though hundreds or thousands of years have passed.

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These two supernova remnants are part of a new study from NASA's Chandra X-ray Observatory that shows how the shape of the remnant is connected to the way the progenitor star exploded. Credit: NASA/CXC/UCSC/L. Lopez et al.)

Posted Image

Caption: Chandra X-ray Image of SNR 0548-70.4





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