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Word: galaxy
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Meaning:
Noun:
- galaxy a collection of billions of stars, galactic dust, black holes, etc. of which there are billions in the known universe. They usually form spiral or elliptical shapes likely due to a central gravity well (i.e. supermassive black hole), but some form irregular shapes (especially if they are broken away from another galaxy).
- our ''Milky Way galaxy''
Source: Wiktionary
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