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reflection nebula

noun

, Astronomy.
  1. a cloud of interstellar gas and dust that reflects the light of neighboring stars.

reflection nebula

  1. A nebula that reflects the light of a nearby star or stars toward Earth rather than producing its own.
  2. See more at nebula

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Word History and Origins

Origin of reflection nebula1

First recorded in 1935–40

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reflection densityreflection plane

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