Astr 221 September 17,2003: The Moon and Tides  

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The Tides

The Question of the Bulges

From the Earth's point of View

The Bulge Diagram

Tides from Sun and Moon ?

Question: When do we get the Best Tides?

Question: How do the bulges Affect the Moon?

Answer: How the bulges Affect the Moon

Tidal Evolution

More TE and Synchronous Points

Is the Moon getting Closer?

Diagram: Outcomes of Tidal Evolution

Phobos and Mars

Compare tidal forces of EM system and MP system

Retrograde Orbit

Where did the Energy go?

Question: Why no constant rate of change?

Answer: no constant rate of change