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	Search Results for Precession Search Type: Keywords | Results: Radio Programs | Images | FAQs | Other Resources | Search Again Definition Precession: The "wobble" of the Earth's rotational axis, which sweeps out an imaginary cone, much like a spinning top, once every 26,000 years. Precession changes the pole star as seen from Earth. More » Stargazing Tip No stargazing tips found. Check the Sky Almanac for more information. Radio Programs Displaying 1 to 5 (of 14 total) results | More results »  Title  Air Date Dog Days August 7, 2009 Sun in Cancer August 2, 2009 More Moon, Regulus, and Saturn June 26, 2009 Shifting Seasons March 7, 2009 Moon and Spica February 13, 2009 Note: Audio versions of our programs will be available the day after they air. Visit the transcript page to listen. Image Gallery Displaying 1 to 1 (of 1 total) results  Image Pole Stars Past, Present, and Future Frequently Asked Questions No results found for Precession (keywords). Other Resources StarDate Online | Solar System Guide http://stardate.org/resources/ssguide/index.html StarDate Online | Solar System Guide http://stardate.org/resources/ssguide/ StarDate Online | Solar System Guide | Planet Formation http://stardate.org/resources/ssguide/planet_form.html StarDate Online | Solar System Guide | Life http://stardate.org/resources/ssguide/life.html
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