A new comparison by scientists of polygon-shaped formations on both the Earth and Mars suggests that both were formed underwater, providing further evidence that Mars once had oceans.


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A new comparison by scientists of polygon-shaped formations on both the Earth and Mars suggests that both were formed underwater, providing further evidence that Mars once had oceans.

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  • Phil Berardelli

    Back when I was covering planetary scientists I had several discussions about Martian geography/geology. I would comment about the fact that nearly half of the Red Planet’s surface is a low, flatland while the other half is high and mountainous — just as it would be if part of the planet was once covered by a great shallow sea. On every occasion, however, they cautioned me about jumping to that conclusion. Being only a curious journalist I had no hard data to refute or concur, but I couldn’t help thinking that someday that data would begin to emerge. Occam’s Razor has proven to be the eventual result many times before. I’m still betting on a once-oceanic planetary cousin.

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