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Astronomy week 2

by: mkeller

Astronomy week 2 ASTR 2010

GPA 2.0
Modern Astronomy
Glenn Tiede

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About this Document

Moons Motions What is a month?
Modern Astronomy
Glenn Tiede
Class Notes
25 ?




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This 1 page Class Notes was uploaded by mkeller on Thursday September 17, 2015. The Class Notes belongs to ASTR 2010 at Bowling Green State University taught by Glenn Tiede in Fall 2015. Since its upload, it has received 85 views. For similar materials see Modern Astronomy in Art at Bowling Green State University.


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Date Created: 09/17/15
Astronomy Week Two Moons Motions 1 Rises and sets each day moving westward 0 Because the earth spins on its axis 2 Slips eastward through the star field quickly 13 degrees a day moving around the ecliptic onces a month 0 Because moon revolves around earth So moon rise and moon set get later by 50 minutes a day 6 hours a week 3 goes North and South of celestial equator 0 because earths equator is tilted to its orbit 0 so moons path across sky changes each day Moon exhibits phases as it revolves around its orbit Sidereal month Time for moon to make one trip around the star field 0 revolve once around earth What is a month Sidereal month time for moon to make one trip around starfield revolve once around the Earth it takes 273 days Synodic month time for moon to complete one cycle of phase from full moon to full moon it takes 295 days


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