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Dawn orbits dwarf planet Ceres

NASA's Dawn spacecraft added another trophy today to the conquest of space as it went into orbit around Ceres. According to the space agency, the unmanned probe arrived at about 4:39 am PST and is currently circling the dwarf planet at an altitude of about 38,000 miles (61,000 km).

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Curiosity suffers short circuit

NASA is putting its Curiosity Mars rover on hold for a few days as engineers try to determine the cause and severity of a recent short circuit. The space agency says that the unmanned explorer suffered a transient short circuit that activated an automatic shutdown by the rover's computers.

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