Is the earths axis straightening?
There are two axes on the earth – the rotational axis and the magnetic axis. The magnetic axis has nothing to do with seasonal temperature variations, so its the rotational axis that we are interested in with respect to temperature changes. Changes in the weather are determined by the earth’s dihedral angle to the plane intersecting the sun of 23.5°. The angle of incidence of the sun’s light on the earth’s surface is the same in the spring and fall. If that doesn’t make sense, you need to look at a 3D model of the earth revolving around the sun. Depending on which hemispere you are in, you should be able to see how the shallow angle in winter and the steeper angle in summer affect temperature. Half way between (at opposite points around the earth’s orbital path around the sun) you will have spring and fall. http://www.materialworlds.com/sims/Solar… The earth’s dihedral angle wobbles a bit, as well as
