Search Results for Retrograde Motion
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Definition
Retrograde motion: The temporary apparent backward motion of a planet in the sky, from east to west, caused by the geometry between the Earth and planet
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Radio Programs
| Displaying 1 to 2 (of 2 total) results |
| Title |
Air Date |
| Jupiter at Opposition |
August 13, 2009 |
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| Mars Shines Bright |
January 14, 2008 |
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Note: Audio versions of our programs will be available the day after they air. Visit the transcript page to listen. |
Image Gallery
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Frequently Asked Questions
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Other Resources
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