Πέμπτη, 4 Δεκεμβρίου 2008

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NASA Mars Exploration Rovers Opportunity Update: Preparing for Two Weeks of Independent Study


STATUS REPORTDate Released: Tuesday, December 2, 2008Source: Jet Propulsion Laboratory - Comments

sol 1709-1715, November 13-19, 2008:
Opportunity is getting ready for solar conjunction, the time when the Sun is in the line of sight between Earth and Mars. During this two- week period, from Nov. 30, 2008 to Dec. 13, 2008, the mission team will not send new commands to the rover. The science team plans to position Opportunity on a rock outcrop, possibly near a cobble the rover can study with the Moessbauer spectrometer, during this time interval.
Opportunity began the week with a 93-meter (310-foot) drive on Sol 1709 (Nov. 13, 2008). The drive allowed the rover to reach a large expanse of bare outcrop. Another drive on Sol 1710 (Nov. 14, 2008), covering 17 meters (56 feet), placed the rover near potential targets of scientific interest. A candidate target, a cobble about 8 meters (30 feet) away, became the objective of the drive on Sol 1713 (Nov. 17, 2008). The 8-meter drive positioned the cobble, now nicknamed "Santorini", within the work volume of the science instruments on Opportunity's robotic arm. ...











Planetary News: Mars Exploration Rovers (2008)


Mars Exploration Rovers Update:
Spirit Recuperates from Dust Storm, Opportunity Hits on Santorini




By A.J.S. Rayl November 30, 2008
Mars Exploration RoverCredit: NASA / JPL / Dan Maas
The Mars Exploration Rovers are nearing the end of their fifth year of exploring the Red Planet in dramatically different ways.
At Gusev Crater, Spirit is hunkered down and fighting for its life after a dust storm darkened its doorstep in mid-November, causing its power levels to drop to a life-threatening, record low.
On the other side of the planet, Opportunity seemed to be pushing the limits of robot life, bursting with energy as it cruised the plains of Meridiani Planum. When it roved onto a spread of bedrock and to a pitstop on its long journey to Endeavour Crater, it stopped right at a much hoped-for cobble, some 1.25 kilometers (0.77 miles) from Victoria Crater....




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