Länk - Istider helt orsakade av solen?
Ice ages are not caused by planet Earth’s orbital variations as once thought, but by the dimmer switch inside the sun that causes its brightness to rise and fall on timescales of around 100,000 years which is exactly the same period as between ice ages on Earth, according to a radical new theory proposed by renowned astrophysicist Robert Ehrlich of George Mason University.
Läs mer: New ice age theory: Sun’s ‘dimmer switch’ | Press Esc