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One member of the pair is a highly unstable star known as a Wolf-Rayet, thought to be the final stage of stellar evolution to precede a cataclysmic supernova explosion.
A 2005 study showed that a gamma-ray burst originating within 6,500 light-years of Earth could be enough to strip away the ozone layer and cause a mass extinction. Researchers led by Adrian Melott at the University of Kansas in Lawrence, U.S., suggest that such an event may have been responsible for a mass extinction 443 million years ago, in the late Ordovician period, which wiped out 60 per cent of life and cooled the planet.
Originally posted by Now_Then
meaning that if it went, oh I don't know, if it went 7,992 years ago, we would know about it tomorrow - and have a little more than 8 years to issue tin balaclava's to the population.
Originally posted by VIKINGANT
I think you are close. I went off 7996 years ago. You forgot to allow for yet another 2012 phenominon
That would make it perfectly timed to wipe out planet X before it hits us and presto...we are saved
Originally posted by VIKINGANT
I think you are close. I went off 7996 years ago. You forgot to allow for yet another 2012 phenominon
That would make it perfectly timed to wipe out planet X before it hits us and presto...we are saved