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Astronomy (Kepler (2nd law (Tells us how speed of planet varies in orbit),…
Astronomy
Kepler
2nd law
Tells us how speed of planet varies in orbit
3rd law
Needs to be 1:1 ratio
1st law
Describes shapes of orbit and location
Relationships
W increases Theta increases
Same distance
Theta decreases D increases
Same W
W increases D increases
Only true for same theta
Eclipses
Lunar
Lasts hours
Solar
Lasts minutes
Copernicus
Predicted full set of phases for Venus like the moon
Heliocentric
Ptolemy
Geocentric
Predicts partial set of phases for Venus