The Earth-Moon System

Craters on Earth?

• Manicouagan, Clearwater Lakes, Canada
• Tunguska, Siberia
• Meteor crater, Arizona
• Cosmic calamity! ... and evidence

Tides

• high/low comparison
  
• online data
• orbit animation

Lunar Spin & Orbit: Co-rotation

• the near side through one lunation
• the near side
• the far side

The Moon

The Lunar Surface

• highlands
  Descartes highlands as seen by Apollo 16
• maria
  Mare Imbrium, Mare Orientale
• craters
  Copernicus, more, more, and more craters
• regolith: first-hand description

Origin of the Moon