What Fraction of Its Mass Does a Main-Sequence Star of 25

question 325

Multiple Choice

What fraction of its mass does a main-sequence star of 25 solar masses eject into space during its lifetime?

• A) almost all of it, greater than 80%
• B) only a small fraction, about 1/100
• C) between 1/4 and 1/2
• D) only its outer atmosphere, less than 1 part in 10⁴

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