MEDIA RELATIONS OFFICE
JET PROPULSION LABORATORY
CALIFORNIA INSTITUTE OF TECHNOLOGY
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
PASADENA, CALIF. 91109 TELEPHONE 818-354-5011
http://www.jpl.nasa.gov
Guy Webster/Carolina Martinez 818-354-6278/354-9382
Jet Propulsion Laboratory, Pasadena, Calif.
guy.webster@jpl.nasa.gov / carolina.martinez@jpl.nasa.gov
INTERNET ADVISORY: 2009-113 July 21, 2009
Tests on Earth to Help Free Spirit Rover on Mars: Live Webcast, Chat
The team that operates rovers on Mars is using a test rover in southern California to assess
maneuvers the Mars rover Spirit might use to get out of soft, loose soil where its wheels have sunk
hub-deep. A live videocast and chat from NASA's Jet Propulsion Laboratory, Pasadena, Calif.,
will give viewers a chance to ask questions of rover team members working to get Spirit rolling
again.
The live event will air on the "NASAJPL" channel available on Ustream Web TV at:
http://www.ustream.tv/channel/nasajpl on Thursday, July 23, beginning at 3 p.m. PDT (6 p.m. EDT
and 2200 UTC).
Spirit and its twin, Opportunity, landed on Mars in January 2004 for what were planned as three-
month missions to study sites on opposite sides of the planet. Both are still active and returning
streams of scientific information. Spirit has not driven since May 6, 2009, when it had become
partially embedded in the soil. To minimize the risk of worsening Spirit's predicament, operators
decided to conduct a series of experiments with a test rover before driving Spirit again.
Participants in the July 23 event include:
* John Callas, project manager for NASA's Mars Exploration Rovers, Spirit and Opportunity.
* Ashley Stroupe, JPL rover planner, deputy lead for "Free Spirit" testing
Viewers may submit questions over Ustream or via Twitter. Twitter users may send their questions
to @NASAJPL using the hashtag #FreeSpirit. In addition, if you are unable to take part in the live
chat, you may submit questions in advance to chatquestion@jpl.nasa.gov and watch the archived
video at a later time.
Information about Spirit and Opportunity is available at http://www.nasa.gov/rovers . Updates
about testing of possible maneuvers for freeing Spirit are at http://www.jpl.nasa.gov/freespirit .
JPL is managed for NASA by the California Institute of Technology, Pasadena.
-end-
JET PROPULSION LABORATORY
CALIFORNIA INSTITUTE OF TECHNOLOGY
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
PASADENA, CALIF. 91109 TELEPHONE 818-354-5011
http://www.jpl.nasa.gov
Guy Webster/Carolina Martinez 818-354-6278/354-9382
Jet Propulsion Laboratory, Pasadena, Calif.
guy.webster@jpl.nasa.gov / carolina.martinez@jpl.nasa.gov
INTERNET ADVISORY: 2009-113 July 21, 2009
Tests on Earth to Help Free Spirit Rover on Mars: Live Webcast, Chat
The team that operates rovers on Mars is using a test rover in southern California to assess
maneuvers the Mars rover Spirit might use to get out of soft, loose soil where its wheels have sunk
hub-deep. A live videocast and chat from NASA's Jet Propulsion Laboratory, Pasadena, Calif.,
will give viewers a chance to ask questions of rover team members working to get Spirit rolling
again.
The live event will air on the "NASAJPL" channel available on Ustream Web TV at:
http://www.ustream.tv/channel/nasajpl on Thursday, July 23, beginning at 3 p.m. PDT (6 p.m. EDT
and 2200 UTC).
Spirit and its twin, Opportunity, landed on Mars in January 2004 for what were planned as three-
month missions to study sites on opposite sides of the planet. Both are still active and returning
streams of scientific information. Spirit has not driven since May 6, 2009, when it had become
partially embedded in the soil. To minimize the risk of worsening Spirit's predicament, operators
decided to conduct a series of experiments with a test rover before driving Spirit again.
Participants in the July 23 event include:
* John Callas, project manager for NASA's Mars Exploration Rovers, Spirit and Opportunity.
* Ashley Stroupe, JPL rover planner, deputy lead for "Free Spirit" testing
Viewers may submit questions over Ustream or via Twitter. Twitter users may send their questions
to @NASAJPL using the hashtag #FreeSpirit. In addition, if you are unable to take part in the live
chat, you may submit questions in advance to chatquestion@jpl.nasa.gov and watch the archived
video at a later time.
Information about Spirit and Opportunity is available at http://www.nasa.gov/rovers . Updates
about testing of possible maneuvers for freeing Spirit are at http://www.jpl.nasa.gov/freespirit .
JPL is managed for NASA by the California Institute of Technology, Pasadena.
-end-
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