Earth Time and Motion

Sunrise Project

5555 Views

How the Sun Moves

5360 Views

How the Sun Moves Across the Sky

5875 Views

Our Planet is a Clock

5049 Views

Intro to Solar Orientation

5298 Views

Greenwich Globe

5493 Views

Equation of Time - Clocks vs Sundials

5199 Views

Earth at Night

5065 Views

Analemma over El Cerrito

5441 Views