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Photo: Cobalt88 / Getty Images Mars Wasn’t Always a Red Planet, It Used to Be Blue
The red planet had a massive ocean about 3 billion years ago, effectively making it blue, a lot like Earth is today.
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Photo: Mykola Lishchyshyn / Getty Images Scientists Built a Digital Earth That Can Predict Real Disasters
Whether anyone listens to what it says is another question entirely.
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VICTOR HABBICK VISIONS/SCIENCE PHOTO LIBRARY/GETTY IMAGES -
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Photo: Getty Images Is Earth Forming New Man-Made Seasons?
There used to be four seasons. Now we have melting ones, burning ones, polluted ones, and plastic ones. Lovely.
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brightstars; NASA / Getty Images
