Mars rover SpiritFrom Yahoo News/Space:
NASA's aging Mars rover Spirit has a bit more power under its hood thanks to some Martian winds that cleaned dust from its vital solar panels.
The handy cleaning occurred earlier this month and was discovered by engineers scanning data from Spirit's power subsystem.
"We will be able to use this energy to do significantly more driving," said Colette Lohr, a rover mission manager at NASA's Jet Propulsion Laboratory (JPL) in Pasadena, Calif. "Our drives have been averaging about 50 minutes, and energy has usually been the limiting factor. We may be able to increase that to drives of an hour and a half."
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