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A Game of Shadows
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A Game of Shadows
Release Date: October 2, 2012
Topics: , Shadow and Water Ice

Date acquired: August 30, 2012
Image Mission Elapsed Time (MET): 254799125
Image ID: 2485924
Instrument: Narrow Angle Camera (NAC) of the Mercury Dual Imaging System (MDIS)
Center Latitude: 70.47
Center Longitude: 74.83 E
Resolution: 13 meters/pixel
Scale: This unnamed crater is approximately 19 km (12 mi.) in diameter.
Incidence Angle: 84.7
Emission Angle: 16.4
Phase Angle: 101.1

Of Interest: The illuminated wall of this unnamed crater forms a striking contrast to its shadowed floor. Some of this crater's floor lies in permanent shadow and hosts radar-bright deposits, which may contain water ice.

This image was acquired as a high-resolution targeted observation. Targeted observations are images of a small area on Mercury's surface at resolutions much higher than the 200-meter/pixel morphology base map. It is not possible to cover all of Mercury's surface at this high resolution, but typically several areas of high scientific interest are imaged in this mode each week.

The MESSENGER spacecraft is the first ever to orbit the planet Mercury, and the spacecraft's seven scientific instruments and radio science investigation are unraveling the history and evolution of the Solar System's innermost planet. Visit the Why Mercury? section of this website to learn more about the key science questions that the MESSENGER mission is addressing. During the one-year primary mission, MESSENGER acquired 88,746 images and extensive other data sets. MESSENGER is now in a yearlong extended mission, during which plans call for the acquisition of more than 80,000 additional images to support MESSENGER's science goals.

Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

For information regarding the use of MESSENGER images, see the image use policy.


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