Earth’s oceans may not have always been as brilliantly blue as they are today. In fact, there may have been a time when they weren’t blue at all. According to researchers at Japan’s Nagoya University, ...
Daily Galaxy on MSN
Earth’s Oceans Were Once Green—And They Might Be Turning Green Again
For most of human history, Earth has been known as the “Pale Blue Dot,” a term popularized by astronomer Carl Sagan when ...
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