Long Debate Ended Over Cause, Demise Of Ice Ages? Research Into Earth's Wobble
Thursday, August 6, 2009 - 21:14
in Astronomy & Space
Researchers have largely put to rest a long debate on the underlying mechanism that has caused periodic ice ages on Earth for the past 2.5 million years -- they are ultimately linked to slight shifts in solar radiation caused by predictable changes in Earth's rotation and axis.