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Nebulae and Star Clusters

From Wikipedia, the free encyclopedia

There are several astronomical catalogues referred to as Nebulae and Star Clusters.

A Nebula is a cloud of dust and gas inside a galaxy. Nebulae become visible if the gas glows, or if the cloud reflects starlight or obscures light from more distant objects.

The catalogues that it may refer to:

See also

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  • Nebula, a type of celestial body
  • Galaxy, a type of celestial body formerly referred to as nebulae
  • Star cluster or cluster of stars, a type of celestial body