March 4, 2010
"Snowball Earth" Confirmed: Ice Covered Equator

Earth's now steamy Equator was covered with ice 716 million years ago, according to a new study. The finding appears to add solid evidence to the theory of an ancient "snowball Earth."
Earth's now steamy Equator was covered with ice 716 million years ago, according to a new study. The finding appears to add solid evidence to the theory of an ancient "snowball Earth."
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