Omloppsbanor påverkar klimatet?

Michael E. Wysession, professor vid Washington University, lägger fram teorin att jordens omloppsbana oscillerar snarare än behåller sin form, och därigenom påverkar klimatet:

When the Earth's orbit is more elliptical, the planet spends more time farther away from the sun, and the Earth gets less sunlight over the course of the year. These periods of more-elliptical orbits are separated by about 100,000 years. Ice ages occur about every 100,000 years, and they line up exactly with this change in the Earth's elliptical shape.

Stämmer teorin? Ingen aning, men teorin känns korrekt i grunden.