How does the total energy output of a massive star compare to the Sun's output over the Sun's entire lifespan?
Answer
It can produce more total energy in a few million years than the Sun generates over 10 billion years.
Despite existing for only a few million years, the sheer energy output of a massive star during its main sequence phase allows it to generate more total energy than a Sun-like star generates over its entire 10-billion-year tenure.
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Which Type Of Star Has The Shortest Life Span? - Physics Frontier
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