Mars is a dead planet, and that’s what makes it so interesting – SB Nation

Mars is dead. As corpses go, its pretty interesting: volcanos so big they might have altered the planets rotation; enough atmosphere to support seasonal weather patterns; a cleft in its surface that makes the Grand Canyon look like a roadside ditch; polar ice caps; tantalizing, suggestive geological features. Its interesting enough that humanity has spent some time and effort getting to know it.
As of this writing there is a little plutonium-powered robot scootching around on the floor of one of…

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