thanks for the other info but im still stuck on one...i think the answer would be that there would be no seasons at all but i think i need a little more information. please help!
question: how would seasons on earth be different if there was no axial tilt?
http://www.newton.dep.anl.gov/askasci/ast99/ast99593.htm
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http://en.wikipedia.org/wiki/Planetary_habitability
http://www.google.com/search?hl=en&as_qdr=all&q=seasons+%22no+tilt%22+axis&btnG=Search
thanks ur a big help!!!!