NASA’s Curiosity Mars rover is wrapping up initial soil analysis operations at a sandy drift where it's been parked for more than a month, project scientists said Thursday. The rover is now being prepared to move on in search of suitable targets for a compact rock drill, the final major sample acquisition system to be tested. Curiosity's on-board weather station detected during the first three months brief drops in air pressure, a sign of whirlwinds in the region. Additionally, Curiosity's Radiation Assessment Detector, or RAM, found that radiation levels at the Martian surface appear to be roughly similar to those experienced by astronauts in low-Earth orbit. (Image Credit: NASA)
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