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Steven Perez
NASA's Swift orbiting observatory spots oldest supernova yet - Ars Technica - http://arstechnica.com/science...
April 28, 2009
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Jack DeWitt Smith, Kol Tregaskes, Alejandro and 2 other people liked this
"Last Thursday, NASA's Swift telescope spotted a gamma-ray burst from a source that didn't show up at visible wavelengths. Follow up observations now indicate that the source's explosion occurred over 13 billion years ago—about 600 million years after the birth of the universe."
- Steven Perez
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