Earth Time and Motion

Sunrise Project

6943 Views

How the Sun Moves

6699 Views

How the Sun Moves Across the Sky

7299 Views

Our Planet is a Clock

6201 Views

Intro to Solar Orientation

6559 Views

Greenwich Globe

6724 Views

Equation of Time - Clocks vs Sundials

6426 Views

Earth at Night

6253 Views

Analemma over El Cerrito

6770 Views