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View Full Version : Supernova Won't Destroy the World



Fraser
2005-Oct-12, 07:23 PM
SUMMARY: Just in case you were worried, it appears that a supernova would have to be really really close to the Earth before it could cause massive damage to our environment. Scientists at NASA and Kansas University used data from a recent exploding star to determine that a supernova would have to be only 26 light-years away in order to strip away the ozone layer - an encounter that only happens once every 670 million years.

View full article (http://www.universetoday.com/am/publish/supernova_wont_destroy_us.html)
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GOURDHEAD
2005-Oct-13, 01:45 PM
...a supernova would have to be only 26 light-years away in order to strip away the ozone layer - an encounter that only happens once every 670 million years. We don't seem to have had one in the last 3 or 4 billion years. How shall we be comforted?