Cycles of the Sky Notes: Click here. Constellations Notes: Click here.

Apparent Motions of Celestial Objects Notes: Click here.

Earth's Rotation and Foucault Pendulum Notes: Click here.

Finding Polaris Notes: Click here.

Insolation and the Seasons Notes: Click here.

The Solar System and Orbits Notes: Click here.

Earth-Moon Statistics Notes

The Moon-Eclipses-Tides Notes: Click here.

Earth in the Universe Notes: Click here.