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On the Bright Side
Click on image to enlarge.
On the Bright Side
Release Date: August 16, 2012
Topics: Color Images, Crater Rays, Craters with Bright Material, Craters with Dark Material, Named Craters, WAC



Date acquired: June 15, 2012
Image Mission Elapsed Time (MET): 248260268, 248260260, 248260264
Image ID: 2020943, 2020941, 2020942
Instrument: Wide Angle Camera (WAC) of the Mercury Dual Imaging System (MDIS)
WAC filters: 9, 7, 6 (996, 748, 433 nanometers) in red, green, and blue
Center Latitude: 45.58
Center Longitude: 176.6 E
Resolution: 164 meters/pixel
Scale: Ailey crater is 21 km (13 mi.) in diameter
Incidence Angle: 46.1
Emission Angle: 0.2
Phase Angle: 46.3

Of Interest: This color image highlights Ailey crater's bright floor and multi-colored rays. The presence of bright and dark rays emanating from the same crater indicates a heterogeneous subsurface composition.

This image was acquired as part of MDIS's high-resolution 3-color imaging campaign. The 3-color campaign is a major mapping activity in MESSENGER's extended mission. It complements the 8-color base map (at an average resolution of 1 km/pixel) acquired during MESSENGER's primary mission by imaging Mercury's surface in a subset of the color filters at the highest resolution possible. The three narrow-band color filters are centered at wavelengths of 430 nm, 750 nm, and 1000 nm, and image resolutions generally range from 100 to 400 meters/pixel in the northern hemisphere.

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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