The Fraction of the Mass of a Low-Mass Star That

question 301

Multiple Choice

The fraction of the mass of a low-mass star that is ejected in its evolutionary phases,up to and including the planetary nebula phase,is:

• A) almost the entire star, more than 95%.
• B) significant, up to 80%.
• C) extremely small, less than 1 part in 10⁴, since it is only the star's atmosphere that has been ejected.
• D) very small, close to 10%.

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