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Mars Planet

SCIENCE
May 28, 2005 | From Times Staff and Wire Reports
The Mars rover Spirit has discovered several layers of rocks in a hilly region of the Red Planet that suggest a wet and violent history in the planet's early life, scientists said Tuesday. The six-wheeled robot has been examining rocks from three outcrops in the Gusev Crater region that show possible successive deposits of water-altered debris from explosive events.
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SCIENCE
April 9, 2005 | From Times Staff and Wire Reports
NASA has approved up to 18 more months of operations by the twin rovers that have discovered evidence of a watery past on Mars. The extension covers operations until September 2006, NASA said Tuesday. Both of the solar-powered, six-wheel robot geologists landed on the Red Planet in January 2004 and have completed their three-month prime missions and 11 months of mission extensions. The space agency did not announce the cost of the mission extension.
SCIENCE
March 5, 2005 | From Times Staff and Wire Reports
NASA's Mars rover Spirit has almost reached the top of a set of Martian hills that was its initial destination when it landed more than a year ago and is set to observe a new landscape dubbed the "Tennessee Valley." The rover, which has traveled a total of 2.6 miles from its landing spot, spent 72 days climbing to just below the crest of the Columbia Hills, a 100-yard rise. Spirit is still in "excellent health," managers said.
SCIENCE
February 26, 2005 | From Times Staff and Wire Reports
European Space Agency scientists said they thought there was life on Mars and wanted a new European mission to the Red Planet to investigate it. "Hints of life on Mars are getting stronger," Vittorio Formisano told scientists Friday at the end of a weeklong conference in the Netherlands on the findings from the space agency's Mars Express mission. His research team found so much methane on Mars that it was probably produced by some form of life, he said.
WORLD
February 23, 2005 | From Associated Press
Images relayed by a European space probe revealed the existence of a sea of ice close to the equator of Mars, scientists said Tuesday at a conference in the Netherlands. Water or ice would significantly increase the chance that evidence of microscopic life may also be found. The evidence comes from unpublished photographs taken last year by the European Space Agency's Mars Express probe, which is orbiting the Red Planet.
SCIENCE
January 22, 2005 | From Reuters
The Mars rover Opportunity has discovered what scientists say is the first meteorite of any type ever identified on another planet. Opportunity encountered the basketball-sized hunk of iron and nickel during a study of its landing site in the Meridiani Planum region and used its onboard instruments to confirm the meteorite's origins, principal scientist Steve Squyres said Wednesday.
SCIENCE
December 25, 2004 | From Times Staff and Wire Reports
Photos taken by a spacecraft orbiting Mars indicate that active volcanoes may still exist on the planet, offering sites to prospect for signs of life. Images from the European Space Agency's Mars Express Orbiter show activity in the summit craters of five volcanoes as recent as 4 million years ago. Though long in human terms, that amounts to the most recent 1% of Martian history.
SCIENCE
December 18, 2004 | From Times Staff and Wire Reports
The Mars rover Spirit found a mineral linked to water during its exploration of the Red Planet, NASA's Jet Propulsion Laboratory said Monday. Scientists identified the mineral goethite in bedrock studied in the Columbia Hills. Goethite forms only in the presence of water, although it may be in liquid, ice or gaseous form. The Columbia Hills bedrock was previously found to have hematite, a mineral that usually, but not always, forms in the presence of water.
SCIENCE
November 6, 2004 | From Times Staff and Wire Reports
For some reason, NASA's Opportunity rover on Mars recently has experienced a 2% to 5% increase in power. "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," said Jim Erickson, rover project manager at the Jet Propulsion Laboratory in Pasadena. The rover team's favorite theory is that "a dust devil happened to
SCIENCE
August 21, 2004 | Thomas H. Maugh II, Times Staff Writer
After spending 160 days traversing a plain and climbing a steep hill, the Mars explorer Spirit is finding the first strong indications of significant quantities of water at Gusev Crater. Spirit's twin, Opportunity, has found powerful evidence of water halfway around Mars in Meridiani Planum. Both NASA craft have been exploring the planet since January.
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