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Definition
Radio galaxy: A particular type of active galaxy that emits more light at radio wavelengths than at visible wavelengths, also known as a radio-luminous galaxy or radio-loud galaxy. Radio galaxies are driven by non-thermal emission. More »

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Other Resources
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http://stardate.org/
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StarDate Online | Solar System Guide | Explorations in 2009
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StarDate Online | Classroom Activities
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StarDate Online | Browseable Keywords
http://stardate.org/search/keywords/
StarDate Online | Solar System Guide | Explorations in 2008
http://stardate.org/resources/ssguide/explorations2008.html

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