The Second Generation of Stars

question 18

Multiple Choice

The second generation of stars

• A) is indistinguishable from the first generation.
• B) have all left the main sequence.
• C) can only be found in galactic disks.
• D) are all giant stars.
• E) contain some elements heavier than lithium.

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Definitions:

Age Distribution

The proportionate numbers of individuals in successive age categories in a given population.

Test Statistic

A calculated value from sample data used to decide whether to reject the null hypothesis in the context of a statistical test.

Union Leader

A person who represents and advocates for the rights and interests of workers in negotiating with employers.

Probability

A measure of the likelihood that an event will occur, expressed as a number between 0 and 1.