Star Cluster: Difference between revisions
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== Orion Nebula == | == Orion Nebula == | ||
[[File:Orion Nebula.png|thumb|188x188px|ORION NEBULA]] | [[File:Orion Nebula.png|thumb|188x188px|ORION NEBULA]]The '''Orion Nebula''' (also known as Messier 42, M42, or NGC 1976) is a diffuse nebula situated in the Milky Way. It is one of the brightest nebulae and is visible to the naked eye in the night sky. The M42 nebula is estimated to be 24 light-years across. It is one of the most scrutinized and photographed objects in the night sky and is among the most intensely studied celestial features. The '''Orion Nebula''' contains a very young open cluster, known as the '''Trapezium''' due to the asterism (any pattern of stars recognized in the Earth's night sky) of its primary four stars. | ||
There are eight star clusters associated with the nebulae in the Orion region: | There are eight star clusters associated with the nebulae in the Orion region: | ||
# Trapezium | # Trapezium | ||