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Epsilon Orionis, 46 Orionis

Location of Alnilam

Alnilam lies at the centre of the richly starred region of Orion, forming the 'buckle' on Orion's prominent Belt.

The buckle on Orion's Belt - the central of the three famous stars that cross the central parts of Orion. Alnilam is a blue supergiant, a massive and hot star. It lies close to the dense Orion Molecular Cloud, and brightens part of this cloud to form its own reflection nebula, catalogued as NGC 1990.


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