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Image Gallery from Mars Global Surveyor
Mars Global Surveyor camera snapped the taffy-pull terrain on the surface of the planet. Image left: The camera aboard the Mars Global Surveyor spacecraft captured this image of the strange "taffy-pull" terrain of northwestern Hellas Planitia on the surface of Mars. The origin of the pattern is unknown, but may be related to the erosion of different layers of bedrock and mass movement of debris.

Thousands of newly released portraits of martian landscapes from NASA's Mars Global Surveyor spacecraft testify to the diversity of ways geological processes have sculpted the surface of our neighboring planet.

Swirling textures that some scientists call "taffy-pull terrain" fill one new image from the plains of southern Mars, for example. Other images reveal details of features such as wind-whipped polar dunes and steep-sided valleys carved by flowing water or lava.

The 10,232 newly issued pictures from the Mars Orbiter Camera on Mars Global Surveyor bring the total number of images in the camera's online gallery to more than 134,000. To view the lastest images, visit:

"Mars just keeps astounding us with its complexity," said Dr. Ken Edgett, staff scientist for Malin Space Science Systems, San Diego, which built and operates the Mars Orbiter Camera.

The new group of images was taken between August 2002 and February 2003, then validated and archived by the camera team. It includes many views of north polar terrain, extremely clear-atmosphere views of a deep southern basin named Hellas Planitia, and a variety of martian landforms between the north pole and the southern middle latitudes. The pictures show martian surface details down to the size of a large sport utility vehicle.

Since Mars Global Surveyor began orbiting Mars six years ago, the mission has provided a wealth of information about the planet's atmosphere and interior, as well as its surface.

This February 2003 Mars Global Surveyor Mars Orbiter Camera picture shows a valley in the Phlegra Dorsa region of Mars. Image right: Flowing water or lava may have formed the valley in the Phlegra Dorsa region of Mars as shown in this February 2003 image from the Mars Global Surveyor Mars Orbiter Camera.

Evaluation of landing sites for NASA's Spirit and Opportunity, two Mars Exploration Rover spacecraft due to land on Mars in January 2004, relied heavily on mineral mapping, detailed imagery and topographic measurements by Global Surveyor.

To find out more about the Mars Global Surveyor, visit:

In addition to semi-annual releases of large collections of archived pictures, the Mars Orbiter Camera team posts a new image daily and recently began soliciting public suggestions for camera targets on Mars.

To view the full gallery, visit:

The Jet Propulsion Laboratory, Pasadena, Calif., manages the Mars Global Surveyor mission for NASA's Office of Space Science, Washington. JPL is a division of the California Institute of Technology in Pasadena. JPL's industrial partner is Lockheed Martin Space Systems, Denver, which built and operates the spacecraft.

Don Savage
NASA Headquarters, Washington, D.C.

Guy Webster
Jet Propulsion Laboratory, Pasadena, Calif.
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