AS101 Final: AS101 victor Winter 2015 Exam Note
Document Summary
Northern summer solstice: 6/21: northern hemisphere: altitude of sun is highest, sunlight hits earth at a nearly perpendicular angle, energy is more concentrated, southern hemisphere: altitude of sun is lowest, sunlight hits earth at a grazing angle, energy is spread out. Northern winter solstice: 12/21: northern hemisphere altitude of sun is at it"s lowest point, sunlight hits earth at a grazing angle, energy is more spread out, southern hemisphere altitude of sun is highest point, sunlight hits earth at a perpendicular angle, energy is more concentrated. Apparent annual motion of sun: the sun spends half the year north of the celestial equator (ce solid line, spends half the year south of the ce, vernal equinox: sun crosses ce heading north, summer solstice: sun at furthest point north from ce, autumnal equinox: sun crosses ce heading south, winter solstice: sun at furthers point south from ce.
