Question

How does galaxy composition typically relate to the age of the stars in the galaxy? (1 point)

Star aging emits gas and dust, so galaxies with the youngest stars typically have the lowest proportions of dust and gas.

Star formation and the presence of young stars is common across galaxies, regardless of the proportions of dust and gas present.

Stars form from dust and gas, so galaxies with younger stars typically consist of higher proportions of dust and gas than other galaxies.

O Star formation consumes dust and gas, so galaxies where stars are oldest typically consist of higher proportions of dust and gas than other galaxies.

H

Answer 1

Galaxy composition typically relate to the age of the stars in the galaxy

through Stars being able to form from dust and gas, so galaxies with

younger stars typically consist of higher proportions of dust and gas than

other galaxies.

Components of  a Star

• Dust

• Gas

The age of stars are usually determined through the amount of gas and dust

present in them. Stars burn gas to emit light and the younger ones have

more proportion of gas present than the older ones. The older ones have

less proportions due to more gas being burned over time.

The stated facts therefore makes option C the most appropriate.

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Answer 2

Answer:

C is right

Explanation: