Earth Time and Motion

Sunrise Project

7488 Views

How the Sun Moves

7149 Views

How the Sun Moves Across the Sky

7748 Views

Our Planet is a Clock

6579 Views

Intro to Solar Orientation

6986 Views

Greenwich Globe

7129 Views

Equation of Time - Clocks vs Sundials

6840 Views

Earth at Night

6646 Views

Analemma over El Cerrito

7221 Views