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View Full Version : A Supernova that Won't Fade Away



Fraser
2005-Sep-07, 06:14 AM
SUMMARY: Supernovae are powerful stellar explosions that flare up brightly and then slowly fade away. But not always. One supernova, that exploded in 1979, is blazing as brightly in X-rays as it did when it was first discovered. The discovery was made using the ESA's XMM-Newton space telescope. Scientists speculate that a powerful solar wind is smashing into previously ejected material, heated it up until it glows brightly. This is like a powerful light illuminating the whole area, and allowing the astronomers to study the whole area for years and see how it changes over time.

View full article (http://www.universetoday.com/am/publish/old_supernova_in_M100_galaxy.html)
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