[PHY 110] - Midterm Exam Guide - Ultimate 29 pages long Study Guide!
7 Feb 2017
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Stars lower down are running parallel to the horizon. All the objects are just going around in circles parallel to the horizon over the course of time: the earth is tilted on its side, the earth"s north pole is always titled toward the north star. The first moderately bright star you will come to is polaris. However, not all the illuminated half of the moon is facing us. As the moon moves around the earth from one night to the next, we see different amounts of the illuminated half of the. Moon is at apogee, farthest position from earth: moon is too small to cover the sun completely, so a thin ring of the. What is the surface temperature of the sun: use wien"s law: t= (0. 0029 k m)/lamba= (0. 00229 k m)(5. 0 x10^-7)= 5800 k, example 2: the average flux of solar energy arriving at earth is.
