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A Sideways Glance
Click on image to enlarge.
A Sideways Glance
Release Date: August 31, 2011
Topics: Crater Rays, MASCS



Date acquired: July 28, 2011
Image Mission Elapsed Time (MET): 220329477
Image ID: 560706
Instrument: Narrow Angle Camera (NAC) of the Mercury Dual Imaging System (MDIS)
Center Latitude: 35.11
Center Longitude: 35.70 E
Resolution: 85 meters/pixel
Scale: This crater is approximately 65 km (40 miles) in diameter
Incidence Angle: 56.5
Emission Angle: 58.1
Phase Angle: 102.0

Of Interest: This beautiful oblique view of a fresh impact crater was captured as the MESSENGER spacecraft slewed to the side to get a better look. The primary purpose for this slew was actually so that the Mercury Atmospheric and Surface Composition Spectrometer (MASCS) instrument could collect a reflectance spectrum of the crater's ejecta.

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 250-meter/pixel (820 feet/pixel) morphology base map or the 1-kilometer/pixel (0.6 miles/pixel) color base map. It is not possible to cover all of Mercury's surface at this high resolution during MESSENGER's one-year mission, but several areas of high scientific interest are generally 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, MDIS is scheduled to acquire more than 75,000 images in support of 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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