This anaglyph, from the instrument onboard NASA's Shuttle Radar Topography Mission, shows an area south of San Martin de Los Andes, Argentina. 3D glasses are necessary to view this image.
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SRTM Anaglyph: Laguna Mellquina, Andes Mountains, Argentina

This anaglyph of an area south of San Martin de Los Andes, Argentina, is the first Shuttle Radar Topography Mission (SRTM) view of the Andes Mountains, the tallest mountain chain in the western hemisphere. This particular site does not include the higher Andes peaks, but it does include steep-sided valleys and other distinctive landforms carved by Pleistocene glaciers. Elevations here range from about 700 to 2,440 meters (2,300 to 8,000 feet). This region is very active tectonically and volcanically, and the landforms provide a record of the changes that have occurred over many thousands of years. Large lakes fill the broad mountain valleys, and the spectacular scenery here makes this area a popular resort destination for Argentinians.

This anaglyph was produced by first shading a preliminary SRTM elevation model. The stereoscopic effect was then created by generating two differing perspectives, one for each eye. When viewed through special glasses, the result is a vertically exaggerated view of Earth's surface in its full three dimensions. Anaglyph glasses cover the left eye with a red filter and cover the right eye with a blue filter.

Elevation data used in this image was acquired by the Shuttle Radar Topography Mission aboard Space Shuttle Endeavour, launched on February 11,2000. SRTM used the same radar instrument that comprised the Spaceborne Imaging Radar-C/X-Band Synthetic Aperture Radar (SIR-C/X-SAR) that flew twice on the Space Shuttle Endeavour in 1994. SRTM was designed to collect three-dimensional measurements of the Earth's surface. To collect the 3-D data, engineers added a 60-meter-long (200-foot) mast, installed additional C-band and X-band antennas, and improved tracking and navigation devices. The mission is a cooperative project between the National Aeronautics and Space Administration (NASA), the National Imagery and Mapping Agency (NIMA) of the U.S. Department of Defense (DoD), and the German and Italian space agencies. It is managed by NASA's Jet Propulsion Laboratory, Pasadena, CA, for NASA's Earth Science Enterprise, Washington, DC.

Size: 55.0 x 37.2 kilometers (34.1 x 23.1 miles)
Location: 40.4 deg. South lat., 71.3 deg. West lon.
Orientation: North toward the top
Image Data: Shaded SRTM elevation model
Date Acquired: February 2000

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Image details

ID#:
PIA03311

Date added:
2001-06-14

Target:
Earth

Mission:
Shuttle Radar Topography Mission (SRTM)

Spacecraft:
Space Shuttle Endeavour

Instruments:
C-Band Interferometric Radar

Rating:



Views:
2,939

Full-Res TIFF:
PIA03311.tif (6.15 MB)

Full-Res JPG:
PIA03311.jpg (0.46 MB)

Image credit:
NASA/JPL/NIMA