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phoebe.lou phoebe.lou
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5 months ago

Why does the Gregorian calendar use leap years?



because the tropical year is about 365. 25 days long



because the sidereal year is longer than the tropical year



because Earth's axis is precessing



because Earth's rotation is slowing down

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ASTRO

ASTRO


Edition: 3rd
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chevy87chevy87
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5 months ago
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