Lagrange Points of the Earth-Moon System. Best explanation I've seen yet.
Your Host:
Moab 96: Curtis on Slickrock
10 Random Photos:
Newfoundland 2005: Cape St. Francis Lighthouse
NYC 2002: Radio City Music Hall (Close)
Taipei 2001: Sino
KBCO 2002: Lego Castle
Roatan2000: Cabana
First Flatiron 2007: Clouds II
Moab April 2002: 11
Moab 2005: White Rim and Sun 02
Oregon Coast 2005: Three Arch Rocks 01
Taipei 2001: National Theater 05