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Earth-sun relations
vanessa Reliz
Nov 20, 2008, 12:12 PM
What causes the intensity and duration of solar radiation received at any place to vary throughout the year??
Eileen1218
Nov 20, 2008, 12:43 PM
The Sun?? :)
Capuchin
Nov 21, 2008, 03:04 AM
Read the following article:
Season - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Season)
There are many other mechanisms, but I think this is the one that you're getting at.