Early Snowball Earth may have melted to a mudball
SOURCE: DIGG • 2009-11-29
TOPICS:
Glaciology • Proterozoic • Ice Ages • Historical Geology • Climate Change • Snowball Earth • Snowball • Earth • Environment • Human Interest • Religion_belief
[110 diggs @ Environment] THE idea that Earth was entirely frozen over about 700 million years ago - the so-called Snowball Earth hypothesis - poses one small problem: how did our planet thaw out? The conundrum could be explained if the Earth was more mudball than snowball.
read more »