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	Search Results for Castor Search Type: Keywords | Results: Radio Programs | Images | FAQs | Other Resources | Search Again Top Hit Definition Castor: A crowded six-star system about 50 light-years from Earth. Stargazing Tip No stargazing tips found. Check the Sky Almanac for more information. Radio Programs Displaying 1 to 5 (of 7 total) results | More results »  Title  Air Date Moon, Mars, and Gemini November 7, 2009 Moon and Gemini December 14, 2008 Moon, Mars, and Gemini April 12, 2008 Moon and Gemini March 26, 2007 Binocular Vision June 18, 2004 Note: Audio versions of our programs will be available the day after they air. Visit the transcript page to listen. Image Gallery No results found for Castor (keywords). Frequently Asked Questions No results found for Castor (keywords). Other Resources
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