Transcript
Daily rise & set of sun, moon,
& stars
Daily motion of stars
Deductions:1) Earth spins2) Spherical shape3) Moon reflects Sun’s light4) A coordinate system for the sky
Seasons
Planets:
Constellationswanders
Ptolome’s geocentric model
Copernicus’ revolution
Planet’s retrograde motion
Heliocentric model
Kepler’s 3 laws
Brahe’s observations
1) planets’ orbit are eccentric2) A planet sweeps out an equal area per equal time interval3) Period square is proportional to the semi major axis cube
Kepler’s 3 laws
Comparison of orbitsP2 = Ka3
Shape of orbit
Rate of change
Galileo’s proof of heliocentric model
Phases of venus
Galileo’s other contributions
Lunar craters, moons of Jupiter, & sunspots
InertiaAcceleration = rate of change of speed.