astr 100 exam 1 note sheet - EXAM 1 NOTESHEET 1 Phases of the moon New moon waxing crescent first quarter(rises noon sets at midnight highest at sunset

# astr 100 exam 1 note sheet - EXAM 1 NOTESHEET 1 Phases of...

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EXAM 1 NOTESHEET1. Phases of the moonNew moon, waxing crescent, first quarter (rises @ noon sets at midnight, highest at sunset), waxing gibbous , full moon (rises at sunset, sets at sunrise), waning gibbous, third quarter (rises at midnight, sets at noon, highest at sunrise), waning crescentWaxing (visible late afternoon) waning (visible late nigt/early morning) *** eris=in Kuiper belt 2. Newton’s Laws1st: An object @ rest stays @ rest and an object in motion stays in motion with the same speed and direction unless acted upon (with no net force a ball will never move)2nd: objects acceleration is proportional to the force acting on it and inversely proportional to its mass (golf player hitting a ball is easier than golf player hitting a car)3rd: For every force there is an equal and opposite reaction (rocket)3. Kepler’s Laws (telescope= A= pie(d/2)^11st: The orbits of the sun are ellipses with the sun at 1 focus2nd: A line joining the sun and the planet sweep out equal areas in equal times