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Observational astronomy

sun/earth/moon notes

Subject: 
Physics
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Astrology
Astronomy
Eclipses
Phases of the Moon
Observational astronomy
Lunar phase
Moon
Full moon
Solar eclipse
Eclipse
Lunar eclipse
New moon
Environment
Technology
religion
Human Interest

Moon-Earth System When looking at the moon, if the bright side fits in your right hand it is waxing, if it fits in your left hand it is waning. I. Moon Movements A. Rotation Moon turns on axis a. Creates Moon?s day and night Takes 27 1/3 Earth days B. Revolution Moon?s orbital path around Earth a. Creates Moon?s year Takes 27 1/3 Earth days Because rotation/revolution cycles are identical, some side of Moon always faces Earth a. Sun does strike all parts of moon C. Moon Phases Gradual change in appearance of Moon a. Arrangement of Sun, Earth, Moon results in phases Phase month is 29 ? days ? a. Extra time caused by Earth?s orbit around Sun b. 2 plus days needed to get Sun, Earth, Moon lined up c. 13 lunar cycles in our year
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