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high-resolution images from the Mars Reconnaissance Orbiter with surface video taken by the Mars Rover Spirit, which is stuck in the Gusev crater. ... and more »
The paper's analysis is "consistent with the mineral-rich view we're obtaining from the rovers and the orbiters," says planetary scientist James Bell of Cornell University, a member of the Mars rover scientific team. "It's very likely that salty ... Was Early Mars Cold And Wet? RedOrbit