What would happen if the Sun were replaced with a star 20 times its mass? Would it live longer than the Sun? What will happen to it after it stops fusion in its core? Would life still exist on Earth? Why or why not?
What would happen if the Sun were replaced with a star 20 times its mass? Would it live longer than the Sun? What will happen to it after it stops fusion in its core? Would life still exist on Earth? Why or why not?
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