Earth Time and Motion

Sunrise Project

7664 Views

How the Sun Moves

7325 Views

How the Sun Moves Across the Sky

7984 Views

Our Planet is a Clock

6748 Views

Intro to Solar Orientation

7213 Views

Greenwich Globe

7321 Views

Equation of Time - Clocks vs Sundials

7020 Views

Earth at Night

6835 Views

Analemma over El Cerrito

7413 Views