Astronomy notes 1

Astronomy notes 1 - Kepler’s 3 rd P2=a3 P= orbital period...

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Astronomy Notes 9/15/08 Solar: new moon, nodes of moon’s orbit must align with earth and sun Lunar: full moon, near node Moon’s orbit: 5 degree tilt -2 eclipse seasons each year, lunar at full and solar at new Mercury: always close to sun Venus: every bright, morning/evening star Planets move slightly eastward night to night Retrograde motion: when earth “laps” another planet
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Unformatted text preview: Kepler’s 3 rd P2=a3 P= orbital period in years A= average distance from sun in AU =semi-major axis of elliptical orbit Galileo turned the Dutch invention to the sky-Contemporary to Kepler-Observed phases of Venus-Observed moons of Jupiter-Observed mountains and craters on moon-Observed Sunspots...
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This note was uploaded on 04/30/2009 for the course ASTR 1110 taught by Professor Hornstein during the Fall '08 term at Colorado.

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