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cosmic year (s) (noun), cosmic years (pl)
A period of approximately 220 million years, the time it takes for the sun to make one orbit around the center of the Milky Way Galaxy.
This entry is located in the following unit: cosmo-, cosm-, cosmico-, cosm, -cosmia, -cosmos, -cosmic, -cosmics, -cosmical, -cosmology, -cosms (page 2)
Word Entries at Get Words: “cosmic years”
cosmic year (s) (noun), cosmic years (pl)
The time it takes the Sun to travel around the center of the galaxy: A cosmic year, the period of revolution of the Sun around the galaxy, takes roughly 22.5 million years.
This entry is located in the following unit: Astronomy and related astronomical terms (page 7)