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7 Cards in this Set
- Front
- Back
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summer solstice
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when N pole is titled toward the sun June 21/22 providing increased daylight hrs for N Hemisphere and shorter for S Hemisphere
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winter solstice
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S pole is titled toward the sun Dec 21/22 providing shorter daylight hrs for N hemisphere and longer for S Hemisphere
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spring/vernal equinox
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March 20-21 direct energy from the sun falls on the equator providing equal lengths of day and night hrs in both hemispheres
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autumnal equinox
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Sept 22/23 equal amt of day and night hrs for both hemispheres
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eclipse
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passing of one obj into the shadow of another
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lunar eclipse
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moon travels thru E's shadow
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solar eclipse
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moon positions itself between E and Sun
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