Something or someone has been cleaning the solar panels of our Mars rovers. As reported by Space.com:
Opportunity recently experienced an unexplained rejuvenation from what can so far be described only as two or three significant “cleaning events,” said Jim Erickson, the rover project manager at NASA’s Jet Propulsion Laboratory in Pasadena.
“Now we’re assuming they're cleaning, but all we can really say is that overnight the solar panels produced between 2 and 5 percent additional power immediately,” he said. “We’re surmising that for some reason dust is being removed from the solar panel and that's increasing the efficiency of the sunlight being converted to electricity.”
The rover team has been bandying about theories, but hasn’t figured out the cause.
“One favorite is that a dust devil happened to pick the vehicle to go through and go over the surface of it and clean it off a little bit,” Erickson said.
Yeah, sure. We have plenty of wind in Chicago, and I haven’t noticed that windows here are cleaner than elsewhere. Obviously, NASA Is Covering Up The Truth. Probably to protect the interests of Halliburton.
As Drudge would say,
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