A new study makes the case for asteroid strikes setting in motion global glaciation in the distant past - Phys.org
phys.orgSubmitted by physorg8953 in science
A research team has picked a side in the "Snowball Earth" debate over the possible cause of planet-wide deep freeze events that occurred in the distant past. According to their new study, these so-called "Snowball" Earth periods, in which the planet's surface…