A new study produced by a University of Wisconsin-Madison geoscientist and Northwestern astrophysicist presents an explanation of the fluctuations of the earth’s temperatures in the past that highlights the complexity of the forces at work on the earth’s climate and how much we still have to learn about them. The study maintains that the cycle of changes in the climate over the millennia is largely a result of changes in the amount of solar radiation, in part caused by small changes in the orbits of Earth and Mars.
While the notion that the impact on earth’s orbital cycle on solar radiation levels is a significant factor determining global temperatures is anything but new, the team of scientists seem to have tied the phenomenon to planetary orbits in a more concrete manner than previous studies.
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