A SOLAR MONTAGE

AN ANALEMMA

An analemma is the figure-8 pattern that the sun makes in the sky if we view it every day at the same time.

Click to view an Analemma

THE SOLAR "CONSTANT"

Satellite estimates of the mean solar irradiance are summarized.

Click to view the data for the solar constant

THE INSOLATION

The insolation incident on the earth is a function of the latiude and season.

Click to view the daily mean insolation at the top of the atmosphere.

THE SETTING SUN

Click to view a sunset

Send any suggestions, comments, or problems to

Peter R. Bannon (bannon@ems.psu.edu)

Created: October 18, 1996

Last Updated: October 28, 1996