This Phenomenon Does Not Exist Anywhere on Earth: at the South Pole of Mars, an Ice that Turns Into a Serious Gas Hundreds of Spiders Every Spring

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One kilometer long, sometimes more: it is the size that can reach some of these dark furrows that scratch the southern polar cap of Mars. Since the first orbital images of this region, scientists were faced with a riddle of size, a pattern that looks like a mistake to a woven canvas [...]