Earth Time and Motion

Sunrise Project

6553 Views

How the Sun Moves

6332 Views

How the Sun Moves Across the Sky

6909 Views

Our Planet is a Clock

5900 Views

Intro to Solar Orientation

6224 Views

Greenwich Globe

6402 Views

Equation of Time - Clocks vs Sundials

6094 Views

Earth at Night

5943 Views

Analemma over El Cerrito

6422 Views