Earth Time and Motion

Sunrise Project

7221 Views

How the Sun Moves

6873 Views

How the Sun Moves Across the Sky

7467 Views

Our Planet is a Clock

6359 Views

Intro to Solar Orientation

6705 Views

Greenwich Globe

6883 Views

Equation of Time - Clocks vs Sundials

6590 Views

Earth at Night

6424 Views

Analemma over El Cerrito

6949 Views