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Old 11-14-2012, 08:10 AM   #51
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Join Date: Oct 2012
Location: In the soft underbellly of the UK
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Originally Posted by vive le beau jeu ! View Post
The radius of the sun's orbit around the Earth's axis symmetry varies throughout the year, being smallest when summer is in the northern annulus and largest when it is summer in the southern annulus.

The Earth actually goes round the Sun

The axial tilt of the Earth is fixed at around 23 degrees and has a far greater contribution to the seasons than does the variation in the Earth's orbit around the Sun.
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