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Asgard
Date: 4 Nov 1996
This four-frame mosaic shows the ancient impact structure Asgard on Jupiter's moon Callisto. This image is centered at 300N, 1420W. The Asgard structure is approximately 1700 km across and consists of a bright central zone surrounded by discontinuous rings. The rings are tectonic features with scarps near the central zone and troughs at the outer margin. Several large impacts have smashed into Callisto after the formation of Asgard. The very young, bright-rayed crater Burr is located on the northern part of Asgard. This mosaic has been projected to show a uniform scale between the four images.
This image was taken on 4 November 1996, at a distance of 111,891 km by the Solid-State Imaging System onboard the Galileo spacecraft during its third orbit around Jupiter.
Image Credit: Deutsche Forschungsanstalt fuer Luft-und Raumfahrt (DLR)
Credit: Lunar and Planetary Institute
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