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出典:Wikipedia
出典:『Wikipedia』 (2011/06/28 14:26 UTC 版)
Beta Regio is a region of the planet Venus known as a volcanic rise. Measuring about 3000 km, it constitutes a prominent upland region of Venus centered at 25°18′N 282°48′E / 25.3°N 282.8°E / 25.3; 282.8.
Beta Regio