English

Hubble Telescope view of the Orion Nebula

Proper noun

Orion Nebula

1. (astronomy) A diffuse nebula visible in the night sky below Orion's Belt; it is approximately 40 light years across. It is one of the brightest nebulae visible to the naked eye and is the closest region of stellar formation to Earth.

Synonyms

• M42
• NGC 1976

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