Earth Time and Motion

Sunrise Project

5950 Views

How the Sun Moves

5717 Views

How the Sun Moves Across the Sky

6270 Views

Our Planet is a Clock

5391 Views

Intro to Solar Orientation

5654 Views

Greenwich Globe

5836 Views

Equation of Time - Clocks vs Sundials

5587 Views

Earth at Night

5396 Views

Analemma over El Cerrito

5818 Views