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Summary
If you were to look up in the eastern sky at the same time each night and note where Mars appears to be compared to the constellations of stars, you would find the planet a little farther east with each viewing. That is, Mars appears to move from west to east from one night to the next.
These apparent patterns caused by retrograde motion do not occur each evening. The patterns would appear if you charted Mars' position in our night sky over several months' time (during retrograde). Image Credit: NASA/JPL-Caltech
Copyright status
This image is public domain because it was first published by the National Aeronautics and Space Administration
Source
http://mars.jpl.nasa.gov/allabout/nightsky/nightsky04.html
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment |
current | 17:27, 18 December 2006 |  | 700 × 458 (41 KB) | Ashcraft | If you were to look up in the eastern sky at the same time each night and note where Mars appears to be compared to the constellations of stars, you would find the planet a little farther east with each viewing. That is, Mars appears to move from west to |
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