ryan - How close a supernova would have to be to wipe out all life on Earth

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ahlam1399

12-08-2017 05:23 PM

How close a supernova would have to be to wipe out all life on Earth

http://static-global-s-msn-com.akama...6&q=60&o=f&l=fAt a certain distance, even a small supernova represents a threat to life on Earth.

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الساعة الآن 02:19 AM