Life might also exist on cold planets
Our Earth has already lived through several ice ages, during which the oceans were covered with ice all the way down to the equator – so-called Snowball eras. Life on our planet has survived all these times; primarily due to one reason: at the time, life existed only in the oceans, and the depths of the oceans still offered good conditions for life. What would have happened if life had already made its way onto land? That was the basis of a study done by Canadian researchers. Snowball Earths result basically when the percentage of carbon dioxide (CO2) in…