Earth Time and Motion

Sunrise Project

6141 Views

How the Sun Moves

5904 Views

How the Sun Moves Across the Sky

6460 Views

Our Planet is a Clock

5558 Views

Intro to Solar Orientation

5840 Views

Greenwich Globe

6011 Views

Equation of Time - Clocks vs Sundials

5770 Views

Earth at Night

5555 Views

Analemma over El Cerrito

5991 Views