PIA17292: NASA Spacecraft Images Wildfire Near Yosemite National Park
 Target Name:  Earth
 Is a satellite of:  Sol (our sun)
 Mission:  Terra
 Spacecraft:  Terra
 Instrument:  ASTER
 Product Size:  2616 x 1746 pixels (w x h)
 Produced By:  JPL
 Full-Res TIFF:  PIA17292.tif (13.71 MB)
 Full-Res JPEG:  PIA17292.jpg (958.7 kB)

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The Carstens, Calif., wildfire continues to burn in the foothills west of Yosemite National Park. As of June 21, 2013, the fire had consumed 1,660 acres, and was 70 percent contained. In this image, acquired by the Advanced Thermal Emission and Reflection Radiometer (ASTER) instrument on NASA's Terra spacecraft, vegetation is displayed in green and burned and bare areas are dark to light gray. The data were acquired on June 20, 2013, and cover an area of 16 by 24 miles (26 by 39 kilometers).

With its 14 spectral bands from the visible to the thermal infrared wavelength region and its high spatial resolution of 15 to 90 meters (about 50 to 300 feet), ASTER images Earth to map and monitor the changing surface of our planet. ASTER is one of five Earth-observing instruments launched Dec. 18, 1999, on Terra. The instrument was built by Japan's Ministry of Economy, Trade and Industry. A joint U.S./Japan science team is responsible for validation and calibration of the instrument and data products.

The broad spectral coverage and high spectral resolution of ASTER provides scientists in numerous disciplines with critical information for surface mapping and monitoring of dynamic conditions and temporal change. Example applications are: monitoring glacial advances and retreats; monitoring potentially active volcanoes; identifying crop stress; determining cloud morphology and physical properties; wetlands evaluation; thermal pollution monitoring; coral reef degradation; surface temperature mapping of soils and geology; and measuring surface heat balance.

The U.S. science team is located at NASA's Jet Propulsion Laboratory, Pasadena, Calif. The Terra mission is part of NASA's Science Mission Directorate, Washington, D.C.

More information about ASTER is available at http://asterweb.jpl.nasa.gov/.

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