Based on observations, which of the following statements about stars in the Milky Way is generally true?
A)The older the star, the bluer its color.
B)The younger the star, the higher its mass.
C)The older the star, the faster its orbital speed.
D)The older the star, the lower its abundance of heavy elements.
E)The less massive the star, the older it is.

Question

Quizplus · Accepted Answer

The statement that is generally true based on observations is that the older the star, the lower its abundance of heavy elements. This is due to the fact that over time, stars undergo fusion reactions that produce these heavier elements, so younger stars have higher abundances of them.

Based on Observations, Which of the Following Statements About Stars