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symbo symbo
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8 years ago
The Scorpius-Centaurus OB association is predicted to have produced a supernova about 2 million years ago.  Why do we make this prediction?
A)   A supernova remnant has been found with the appropriate location and age.
B)   O and B stars are massive stars, many of them over 25 solar masses, and these would supernova.
C)   in a close association, collisions between stars are expected, and these collisions would raise the mass to the supernova range.
D)   Shock waves from the direction of Scorpius-Centaurus still pass by the Earth at frequent intervals.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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hyponoticahyponotica
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8 years ago
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symbo Author
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8 years ago
Very informative, I appreciate the extra effort
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