The universe, the solar system, and earth
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Last updated 2:00 AM on 3/13/25
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10 Terms
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inclination of earth's axis
Earth is tilted at about 23.5° from perpendicular to the plane of ecliptic
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the revolution of the earth
365 days
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the rotation of the earth
Earth rotates west to east at ~1000 mph
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Spring Equinox
March 21 0 degrees
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Summer Solstice
June 21 tropic of cancer 23.5 N degrees
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Fall Equinox
september 23 0 degrees
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Winter Solstice
December 21 tropic of capricorn 23.5 S degrees
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standard time
In 1884, the Greenwich/Prime Meridian was chosen as the reference for standard time
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how many time zones are there?
24
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structure of the solar system
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Note 
Flashcards (129)