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Smiley face on Mars is a telltale sign of its pastMars didn't lose all its water without a fight. The planet, today 1,000 times drier than the driest desert on Earth, gradually lost its insulating atmosphere. The Red Planet's once great Martian ...
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Scientists spot ancient 'smiley face' on Mars — and it could contain signs of lifeAstronomers recently spotted a surprising "smiley face" beaming up from the surface of Mars as they surveyed the alien landscape as part of a new study. The emoticon-like structure, which is only ...
For comics, a medium with a surprisingly long history, that work is none other than "Watchmen ... Some are obvious, like the bloodstained smiley face, which bookends the story and has become ...
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