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Galactic year

Noun

Definitions

1.NounThe time taken for the Solar System to orbit around the center of the Milky Way Galaxy, estimated to be from 225 to 250 million years.
2.NounThe time taken for a celestial body to complete a quasi-orbit in a galaxy.

Synonyms

cosmic yeargalaxygigalightyeargalactic centergiga-annumhypergalaxygalacticgigayeargalactogenesisgaia-enceladusmetagalaxyvirgo supercluster
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