Happy Hollow-een
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Happy Hollow-een!

November 2, 2012
Date acquired: October 13, 2012 Image Mission Elapsed Time (MET): 258631067 Image ID: 2758254 Instrument: Narrow Angle Camera (NAC) of the Mercury Dual Imaging System (MDIS) Center Latitude: 37.66° Center Longitude: 321.0° E Resolution: 20 meters/pixel Scale: The crater has a diameter of about 30 kilometers (19 miles). Incidence Angle: 73.8° Emission Angle: 22.1° Phase Angle: 96.0° Of Interest: Creeping out from the shadows, the hollows snake their way across this crater floor. Their white, ghostly halos stand in stark contrast to the generally dark surface of Mercury. The low sun angle of this image highlights the many small craters speckling the landscape. 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

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