AST 101 Study Guide - Quiz Guide: Ecliptic, Orbital Period, Solar Time
6 Dec 2017
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Study tips: draw a picture, use your fingers to point in three dimensions and trace the paths of things in the sky, draw a bigger picture, no, really, draw a picture :) Our local neighborhood: stuff to know: the sun is the center of the solar system. It moves only slightly (mostly due to jupiter"s gravity); these motions aren"t important here: the planets orbit the sun in elliptical orbits that are nearly circular. The earth, in particular, orbits the sun at a distance of 1 au, once per year. The celestial sphere model: the fastest motion of all of these is the rotation of the earth. Pole) and clockwise around the scp(south celestial pole). From syracuse, some stars, those lying close to the ncp, will be visible all night long; others will only be visible briefly or not at all (those lying close to the scp).
