PIA00278: Ganymede - Dark Terrain in Galileo Regio
Target Name: Ganymede
Is a satellite of: Jupiter
Mission: Galileo
Spacecraft: Galileo Orbiter
Instrument: Solid-State Imaging
Product Size: 640 x 480 pixels (width x height)
Produced By: JPL
Producer ID: P47066
Addition Date: 1997-09-07
Primary Data Set: Galileo EDRs
Full-Res TIFF: PIA00278.tif (286.6 kB)
Full-Res JPEG: PIA00278.jpg (60.72 kB)

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Original Caption Released with Image:

This view of a part of the Galileo Regio region on Jupiter's moon Ganymede shows fine details of the dark terrain that makes up about half of the surface of the planet-sized moon. One of many ancient impact craters in the region is visible at the middle left. The crater is cut by numerous fractures, showing that the ancient crust was highly deformed early in Ganymede's history. Dark areas may have originated from dark material thrown off by dark meteorites hitting the surface in thousands of impact events. In this view, north is to the top and the sun illuminates the surface from the lower left about 58 degrees above the horizon. The area shown, at latitude 19 degrees north, longitude 149 degrees west, is about 19 by 26 kilometers (12 by 16 miles); resolution is about 80 meters (262 feet) per pixel. The image was taken June 27 at a range of 7.652 kilometers (4,755 miles). The Jet Propulsion Laboratory manages the Galileo mission for NASA's Office of Space Science.

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