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regio
regio (pl. regionis, regiones) A term applied to any feature on a planetary surface that is not clearly defined or understood, usually because of insufficient resolution. Examples include dark regions on Ganymede and Iapetus. On Venus, the term was originally used for radar-bright features such as Beta Regio, which is probably a volcanic construct. Its usage is now extended to cover elevated terrain smaller than continents.
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AILSA ALLABY and MICHAEL ALLABY. "regio." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>. AILSA ALLABY and MICHAEL ALLABY. "regio." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O13-regio.html AILSA ALLABY and MICHAEL ALLABY. "regio." A Dictionary of Earth Sciences. 1999. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-regio.html |
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regio
regio An area, sometimes of distinctive colour or topography, on a planetary surface; pl.regiones. The name is not a geological term; it is used in the nomenclature of major areas such as Eistla Regio on Venus and Galileo Regio on Ganymede.
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Cite this article
"regio." A Dictionary of Astronomy. 1997. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>. "regio." A Dictionary of Astronomy. 1997. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O80-regio.html "regio." A Dictionary of Astronomy. 1997. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O80-regio.html |
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