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Why do elliptical galaxies appear yellow or red in color? why do elliptical galaxies appear yellow or red in color? they contain no hot, young blue stars they have very little dust or cool gas, and thus have little ongoing star formation. their population is dominated by old, cooler stars. all of the above submitrequest answer?

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Why do elliptical galaxies appear yellow or red?
A) a. They have very little dust or cool gas, and thus have little ongoing star formation
B) b. They contain only massive-stars that have progressed to the red-giant stage C) c. They contain no hot, young blue stars
D) a and c
E) a and c
E
mickymike92

Elliptical galaxies appear yellow or red in color because they contain no hot, young blue stars they have very little dust or cool gas, and thus have little ongoing star formation.

What are galaxies?

Galaxies are a large collection of stars which are found in space.

Galaxies are composed of both newly forming stars and old long-lived stars.

Elliptical galaxies are elliptical in shape and are composed of long-lived stars, therefore their spectral colors are mostly either red or yellow.

Therefore, elliptical galaxies appear yellow or red in color becuse they contain no hot, young blue stars they have very little dust or cool gas, and thus have little ongoing star formation.

Learn more about galaxies at: https://brainly.com/question/13956361