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2010-06-03 14:28:00

PASADENA, Calif., June 3 /PRNewswire-USNewswire/ -- Rocks examined by NASA's Spirit Mars Rover hold evidence of a wet, non-acidic ancient environment that may have been favorable for life. Confirming this mineral clue took four years of analysis by several scientists. (Logo: http://www.newscom.com/cgi-bin/prnh/20081007/38461LOGO) An outcrop that Spirit examined in late 2005 revealed high concentrations of carbonate, which originates in wet, near-neutral conditions, but dissolves in...

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2010-06-03 13:35:00

Rocks examined by NASA's Spirit Mars Rover hold evidence of a wet, non-acidic ancient environment that may have been favorable for life. Confirming this mineral clue took four years of analysis by several scientists. An outcrop that Spirit examined in late 2005 revealed high concentrations of carbonate, which originates in wet, near-neutral conditions, but dissolves in acid. The ancient water indicated by this find was not acidic. NASA's rovers have found other evidence of formerly wet...

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2010-02-16 07:25:00

NASA's Mars Exploration Rover Spirit is now parked for the winter. The rover team is commanding Spirit this week to make additional preparations for the Mars southern hemisphere winter season. The team does not plan further motion of the wheels until spring comes to Spirit's location beside the western edge of a low plateau called Home Plate. On Sol 2169 (Feb. 8, 2010), the rover's last drive before winter changed the angles of its suspension system, but it did not produce a hoped-for...

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2009-06-25 15:48:59

The U.S. space agency's Mars rover Spirit is still stuck in loose Martian soil, but it's providing scientists data on the planet's environmental history. Spirit became stuck in April in an area composed of layers of soil with differing pastel hues hiding beneath a darker sand blanket, NASA said. Scientists dubbed the site Troy. But while Spirit awaits extraction instructions, the rover is keeping busy examining Troy, which is next to a low plateau called Home Plate, approximately 2 miles from...

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2009-04-14 05:00:00

The team operating NASA's Mars Exploration Rover Spirit is examining data received from Spirit in recent days to diagnose why the rover apparently rebooted its computer at least twice over the April 11-12 weekend. "While we don't have an explanation yet, we do know that Spirit's batteries are charged, the solar arrays are producing energy and temperatures are well within allowable ranges. We have time to respond carefully and investigate this thoroughly," said John Callas of NASA's Jet...

2009-03-19 10:20:28

The U.S. space agency says it has decided to select a new route for its Mars rover Spirit to drive around a corner of a low plateau called Home Plate. The National Aeronautics and Space Administration said its rover team decided to select a new exploration route since the rover has the use of only five of its six wheels. The right-front wheel stopped working in 2006, so it usually drives backward, dragging that wheel. It can no longer climb steep slopes, NASA said. After several attempts to...

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2009-03-05 14:43:25

Loose soil piled against the northern edge of a low plateau called "Home Plate" has blocked NASA's Mars Exploration Rover Spirit from taking the shortest route toward its southward destinations for the upcoming Martian summer and following winter. The rover has begun a trek skirting at least partway around the plateau instead of directly over it. However, Spirit has also gotten a jump start on its summer science plans, examining a silica-rich outcrop that adds information about a long-gone...

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2008-05-24 00:00:00

Tempe, Ariz. -- Deposits of nearly pure silica discovered by the Mars Exploration Rover Spirit in Gusev Crater formed when volcanic steam or hot water (or maybe both) percolated through the ground. Such deposits are found around hydrothermal vents like those in Yellowstone National Park. That's the conclusion of planetary scientists working with data collected by the rover's Miniature Thermal Emission Spectrometer (Mini-TES), developed at Arizona State University. The silica discovery,...

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2007-12-10 19:15:00

SAN FRANCISCO - Researchers using NASA's twin Mars rovers are sorting out two possible origins for one of Spirit's most important discoveries, while also getting Spirit to a favorable spot for surviving the next Martian winter. The puzzle is what produced a patch of nearly pure silica -- the main ingredient of window glass -- that Spirit found last May. It could have come from either a hot-spring environment or an environment called a fumarole, in which acidic steam rises through cracks. On...

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2007-05-03 15:00:00

NASA's Mars Exploration Rover Spirit has discovered evidence of an ancient volcanic explosion at "Home Plate," a plateau of layered bedrock approximately 2 meters (6 feet) high within the "Inner Basin" of Columbia Hills, at the rover's landing site in Gusev Crater. This is the first explosive volcanic deposit identified with a high degree of confidence by Spirit or its twin, Opportunity. There is strong evidence that those layers are from a volcanic explosion, said Steve Squyres of Cornell...


Word of the Day
mallemaroking
  • Nautical, the visiting and carousing of sailors in the Greenland ships.
This word is apparently from a confusion of two similar Dutch words: 'mallemerok,' a foolish woman, and 'mallemok,' a name for some persons among the crew of a whaling vessel.