Emission nebulae are blue.

Name: Emission nebulae are blue.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Emission nebulae typically appear red, pink, or a combination of colors due to the ionized gas emitting light in specific wavelengths. Blue color is more commonly associated with reflection nebulae. Emission nebulae are actually pink or red due to the ionized hydrogen gas they contain. The blue color can sometimes be seen around the edges, but it is not the dominant color.

Emission Nebulae Are Blue