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Fundamentals of Local Cosmos

Fundamentals of Local Cosmos. 1. Earth orbits the sun A. tilt 23.5, North Star, elliptical orbit B. time 365.25 days C. rotation 24 hrs. “Solar Day”. Visual of seasons. 2. Solstice?. 3. Moon orbits the earth A. Time 27.3 days for the moon to orbit the earth (27 d. 7h. 43m.)

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Fundamentals of Local Cosmos

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  1. Fundamentals of Local Cosmos • 1. Earth orbits the sun • A. tilt 23.5, North Star, elliptical orbit • B. time 365.25 days • C. rotation 24 hrs. “Solar Day” Visual of seasons

  2. 2. Solstice?

  3. 3. Moon orbits the earth • A. Time 27.3 days for the moon to orbit the earth (27 d. 7h. 43m.) • B. Full moon as seen from earth 29.5 days “Lunar Month” • *discrepency due to the fact the earth/moon unit is orbiting the sun

  4. C. “Tidal day” 24h 50m Time between high tides at a single location

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