Planetary Astronomy

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Solar System Mechanics

8A10.10 - Orrery
8A10.35 - Local Zenith

Earth-Moon Mechanics

8A20.15 - Phases of the Moon

8A20.16 - Phases of the Moon with a basketball

Views from Earth

8A30.20 - Retrograde Motion Model
8A30.70 - Celestial Sphere

Planetary Geology

8A40.05 - Globes

Planetary Characteristics

8A50.60 - Planetary Density Model
8A50.70 - Cratering
8A50.80 - Make a Comet
8A50.81 - Ed's Comet
8A70.55 - Rotational Banding/Planetary Atmospheres