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Description |
English: This image of the south polar region of the Jovian satellite Callisto was taken in twilight by the Galileo spacecraft on its eighth orbit around Jupiter. Craters ranging in size from 60 kilometers (36 miles) down to the limit of resolution are visible in this image. Scientists count the number of craters on a planetary surface to estimate its relative (and sometimes absolute) age. Note that many of the craters are not as sharp in appearance as the two large craters near the bottom of the image. This is an indication that some process has eroded the craters since their formation.
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Source |
http://photojournal.jpl.nasa.gov/catalog/PIA00876
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Date |
1998-03-26
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Author |
NASA/JPL/University of Arizona
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Permission
(Reusing this image) |
PD-USGOV-NASA.
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This image or video was catalogued by Jet Propulsion Lab of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA00876.
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[edit] Original upload log
The original description page is/was here. All following user names refer to en.wikipedia.
- 2007-04-23 08:00 Ruslik0 800×800×8 (49172 bytes) Callisto Arcas crater neat south pole, from NASA Planetary Photojournal [http://photojournal.jpl.nasa.gov/catalog/PIA00876] {{PD-USGov-NASA}}
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| Date/Time | Dimensions | User | Comment |
current | 20:20, 14 May 2008 | 800×800 (48 KB) | TheDJ | |
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