Opportunity heads toward 'Spirit Point'

Jun 09, 2011 By Guy Webster
This oblique view with moderate vertical exaggeration shows the portion of the rim of Endeavour crater given the informal name "Spirit Point." Credit: NASA/JPL-Caltech/Univ. of Arizona

(PhysOrg.com) -- When NASA's Mars Exploration Rover Opportunity reaches the rim of a large crater it is approaching, its arrival will come with an inspiring reminder.

This crater, Endeavour, became the rover's long-term destination nearly three years ago. Opportunity has driven about 11 miles (18 kilometers) since climbing out of Victoria crater in August 2008, with Endeavour crater beckoning to the southeast. The rover has about 2 miles (about 3 kilometers) to go before reaching the rim of Endeavour.

Rover team members last week selected "Spirit Point" as the informal name for the site on the rim where Opportunity will arrive at Endeavour crater. The choice commemorates Opportunity's rover twin, Spirit, which has ended communication and finished its mission.

"Spirit achieved far more than we ever could have hoped when we designed her," said Steve Squyres of Cornell University, Ithaca, N.Y., principal investigator for the rovers. "This name will be a reminder that we need to keep pushing as hard as we can to make new discoveries with Opportunity. The exploration of Spirit Point is the next major goal for us to strive for."

The yellow line on this map shows where NASA's Mars Rover Opportunity has driven from the place where it landed in January 2004 -- inside Eagle crater, at the upper left end of the track -- to a point about 2.2 miles (3.5 kilometers) away from reaching the rim of Endeavour crater. Credit: NASA/JPL-Caltech/MSSS

Endeavour offers the setting for plenty of productive work by Opportunity. The crater is 14 miles (22 kilometers) in diameter -- more than 20 times wider than Victoria crater, which Opportunity examined for two years. Orbital observations indicate that the ridges along its western rim expose rock outcrops older than any Opportunity has seen so far. Spirit Point is at the southern tip of one of those ridges, "Cape York," on the western side of .

Opportunity and Spirit completed their three-month prime missions on Mars in April 2004. Both rovers continued for years of bonus, extended missions. Both have made important discoveries about wet environments on that may have been favorable for supporting .

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gmurphy
5 / 5 (2) Jun 09, 2011
Kudos to the plucky little rover! :)