<br><br><a href='http://news.ncsu.edu/releases/2007/jan/008.html' target='_blank'>http://news.ncsu.edu/releases/2007/jan/008.html</a><br><br>North Carolina State University astrophysicists have answered a long-standing question about the nature of one of our galaxy's most famous supernova explosions, discovering a new class of supernova in the process.
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