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This image from NASA Magellan spacecraft is centered at approximately 29.6 degrees south latitude and 341 degrees east longitude in the Lavinia Region of Venus. Volcanic vent areas in this part of the plains west of Alpha Regio consist of domes and pits up to nearly 3 kilometers across. Extending eastward these features are sinuous channels, most of which are about 10 kilometers or more long. The channels narrow away from the pits and for most of their lengths are about 1 kilometer in diameter. The nearest planetary analogues for these features are sinuous rilles on the moon. These have been e…
