“`extragalactic nebula' is a former name for `galaxy'”
- Synonyms:
- galaxy
- Examples:
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Magellanic Cloud
either of two small galaxies orbiting the Milky Way; visible near the south celestial pole
- Types:
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spiral galaxy, spiral nebula
a galaxy having a spiral structure; arms containing younger stars spiral out from old stars at the center
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Great Attractor
a massive grouping of galaxies in the direction of Centaurus and Hydra whose gravitational attraction is believed to cause deviations in the paths of other galaxies
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Milky Way, Milky Way Galaxy, Milky Way System
the galaxy containing the solar system; consists of millions of stars that can be seen as a diffuse band of light stretching across the night sky
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Andromeda galaxy
a spiral galaxy in the constellation of Andromeda that is visible to the naked eye
- Type of:
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accumulation, aggregation, assemblage, collection
several things grouped together or considered as a whole