Mars Rover Opportunity Approaching Possible Meteorite

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JET PROPULSION LABORATORY
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Guy Webster 818-354-6278
Jet Propulsion Laboratory
Pasadena, California

Mars Rover Opportunity Approaching Possible Meteorite

PASADENA, Calif. -- Images that NASA's Mars Exploration Rover Opportunity took at the end
of an 81-meter (266-foot) drive on Sept. 16 reveal a dark rock about 31 meters (102 feet) away.
The rover's science team has decided to go get a closer look at the toaster-sized rock and
determine whether it is an iron meteorite.

"The dark color, rounded texture and the way it is perched on the surface all make it look like an
iron meteorite," said science-team member Matt Golombek of NASA's Jet Propulsion
Laboratory, Pasadena, Calif. Opportunity has found four iron meteorites during the rover's
exploration of the Meridiani Planum region of Mars since early 2004. Examination of these rocks
has provided information about the Martian atmosphere, as well as the meteorites themselves.

The newfound rock has been given the informal name "Oileán Ruaidh" (pronounced ay-lan
ruah), which is the Gaelic name for an island off the coast of northwestern Ireland. The rock is
about 45 centimeters (18 inches) wide from the angle at which it was first seen.

Opportunity has driven 23.3 kilometers (14.5 miles) on Mars. The drive to this rock will take the
total combined distance driven by Opportunity and its twin, Spirit, to more than 31 kilometers
(19.26 miles).

JPL, a division of the California Institute of Technology in Pasadena, manages the Mars
Exploration Rover mission for the NASA Science Mission Directorate, Washington. Opportunity
landed on Mars in January 2004 for what was planned as a three-month mission. For more
information about the mission, see http://marsrovers.jpl.nasa.gov .

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