In Terms of the Mass and Lifetime of a Star

question 137

Multiple Choice

In terms of the mass and lifetime of a star, which of these statements is true?

• A) The mass of a star has no bearing on the length of a star's life or the speed of its evolution.
• B) Stars of about 1 solar mass have the shortest lives; less massive stars evolve slowly and live a longer time, while more massive stars have long lives because of the large amount of fuel they contain.
• C) The less massive the star, the shorter is its life because it has less hydrogen "fuel" to burn.
• D) The more massive the star, the faster it evolves through its life.

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Definitions:

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