Earth Time and Motion

Sunrise Project

6443 Views

How the Sun Moves

6210 Views

How the Sun Moves Across the Sky

6800 Views

Our Planet is a Clock

5808 Views

Intro to Solar Orientation

6121 Views

Greenwich Globe

6322 Views

Equation of Time - Clocks vs Sundials

5999 Views

Earth at Night

5838 Views

Analemma over El Cerrito

6321 Views