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“cosmic year”
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.
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cosmo-, cosm-, cosmico-, cosm, -cosmia, -cosmos, -cosmic, -cosmics, -cosmical, -cosmology, -cosms
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“cosmic year”
cosmic year
The time it takes the sun to travel around the center of the galaxy, roughly 22.5 million years.
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Astronomy and related astronomical terms
(page 7)