Curiosity Cracked Open a Rock on Mars And Discovered a Huge Surprise
A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior. When the rover rolled its 899-kilogram (1,982-pound) body over the fragile lump of mineral in May last year the deposit broke open, revealing yellow crystals of elemental sulfur: brimstone. Although sulfates are fairly common on Mars, this represents the first […]
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