Star Life and Death # 4
Far away in a galaxy lies the star Math. Math has a lot of planets orbiting around it such as : Calculus or Algebra or Geometry. Unfortunately for the star and the planets, Math is about to explode into a supernova, a blinding flash sending material away at 70,000,000 miles per hour. What is the minimum mass Math could have in solar masses ?
The answer is 8.
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1 solution
It's more like 70,000,000 miles per hour. Supernovas can expel stellar matter at as much as 10% of the speed of light. 70,000 mph is barely moving. Even an ordinary bomb blast expel matter up to about 7,000 mph, and a rifle bullet travels about 700 mph.