Earth Time and Motion

Sunrise Project

6480 Views

How the Sun Moves

6240 Views

How the Sun Moves Across the Sky

6833 Views

Our Planet is a Clock

5836 Views

Intro to Solar Orientation

6148 Views

Greenwich Globe

6341 Views

Equation of Time - Clocks vs Sundials

6031 Views

Earth at Night

5874 Views

Analemma over El Cerrito

6353 Views