"Where did the term “lunacy” come from? What does “apogee” and “perigee”
mean? Aim: How does the moon affect the earth? Topic: Unit 8 Earth in Space;
Main ..."
http://www.sewanhaka.k12.ny.us/cms/lib3/NY01001491/Centricity/Domain/1619/tides%20and%20eclipses.ppt
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