Earth Time and Motion

Sunrise Project

5538 Views

How the Sun Moves

5350 Views

How the Sun Moves Across the Sky

5861 Views

Our Planet is a Clock

5039 Views

Intro to Solar Orientation

5290 Views

Greenwich Globe

5479 Views

Equation of Time - Clocks vs Sundials

5187 Views

Earth at Night

5054 Views

Analemma over El Cerrito

5432 Views