At least five ice ages have befallen Earth, including one 635 million years ago that created glaciers from pole to pole.
Click here for original story, ‘Snowball Earth’ might have been slushball
Source: Phys.org
At least five ice ages have befallen Earth, including one 635 million years ago that created glaciers from pole to pole.
Click here for original story, ‘Snowball Earth’ might have been slushball
Source: Phys.org