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Small and Fresh
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Small and Fresh
Release Date: September 4, 2012
Topics: Crater Rays,

Date acquired: August 20, 2012
Image Mission Elapsed Time (MET): 253908613
Image ID: 2422314
Instrument: Narrow Angle Camera (NAC) of the Mercury Dual Imaging System (MDIS)
Center Latitude: -16.85°
Center Longitude: 309.3° E
Resolution: 66 meters/pixel
Scale: The small bright crater is 1.7 km (1.1 miles) in diameter
Incidence Angle: 52.3°
Emission Angle: 2.4°
Phase Angle: 49.8°

Of Interest: This small crater lies within the peak-ring basin Renoir. The image is stretched to highlight the details within the fresh crater's ejecta blanket, which is over two times brighter than the background terrain. Charged particles from the Sun and micrometeorite impacts will slowly alter the ejecta blanket and rays until this crater is indistinguishable from the many other small craters that surround it.

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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