Astronomy 1021 Lecture Notes - Full Moon, Tidal Locking, Microsoft Powerpoint

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Tropics: cancer (north) and capricorn (south) points on earth where sun is overhead at noon on solstice, at the time they were named, june occurred when sun was in cancer, now the sun is in. But location in sky also depends on the moon"s position relative to the sun. (look at slides for diagrams and crap that i keep missing: new moon, waxing crescent, first quarter, waxing gibbous, full, waning gibbous, October 5th, 2010: first quarter and last quarter are half. Eclipses: eclipse means cease to exist, so a lunar eclipse is an event where the moon disappears, a solar is where the sun disappears, many civilizations: eclipses were mystical events. Not just because of their spectacular nature, but primarily because they were difficult to predict and therefore happened unexpectedly and apparently rare : lunar: moon in shadow of the earth. Total lunar eclipse, partial lunar eclipse, and penumbral lunar eclipse.

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