Reflection nebulae
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| definition | A type of nebula that is visible from its reflection of starlight. Bright stars near reflection nebulae emit light into the region that is reflected by the large amount of dust there. The size of the dust grains causes blue light to be reflected more efficiently than red light, so these reflection nebulae frequently appear blue in color. | ||||||
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| contributor | AAS_Frey.Katie_Admin original | ||||||