Onatah Corona
49°00′N 5°30′E / 49°N 5.5°E / 49; 5.5Diameter 298 km Eponym Onatah Geography
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Onatah Corona is a corona (a geological feature) on Venus adjacent to Ba'het Corona. Both features are surrounded by a ring of ridges and troughs, which in places cut more radially-oriented fractures. The centers of the features also contain radial fractures as well as volcanic domes and flows. Coronae are thought to form due to the upwelling of hot material from deep in the interior of Venus. The two coronae may have formed at the same time over a single upwelling, or may indicate movement of the upwelling or the upper layers of the planet to the west over time.[1]
References
- ^ Catalog Page for PIA00461
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