Meteors and the Moon

Ideas for topics to cover:

• Discuss the theory for the formation of the moon
• Did other planets get their moons in the same way?
• Why does the moon's face always face us? What's the physics behind that?
• Discuss why we have tides. What is the impact of tidal forces on the earth?
• What evidence do we have that a giant meteor hit caused the extinction of the dinosaurs? Is there evidence this happened for other past mass extinctions?
• Discuss the probability of being hit by giant meteorites today. Should we be worried?