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Scientists Figure Out How the Red Planet Earned Its NameScientists once believed our planetary next-door neighbor got its rusty hue from hematite, a common iron ore known ... we often call rust—gave the Red Planet its trademark color.
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Scientists say they’ve discovered why Mars is redA study suggests Mars takes its red hue from a type of mineral that forms in cool water, which could reveal insights about whether Mars was ever able to support life.
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