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"On March 14th, NASA's powerful HiRISE camera spied this Martian dust devil winding its way over the Amazonis Planitia region in the Red Planet's northern hemisphere (the same part of Mars that it spotted the earlier dust devil). But unlike its smaller sibling, which stood a measly 800 meters tall, this storm had some serious altitude to it — twelve miles of altitude, to be exact." - io9