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This Voyager 1 view of an equatorial region near longitude 300 degrees shows several large surface flows that originate in volcanic craters or calderas. At the right edge is a light flow about 250 kilometers long. Another dark, lobate flow with bright edges is just left of center, with an exceedingly dark caldera to its left.
The Voyager Project is managed for NASA by the Jet Propulsion Laboratory, Pasadena, Calif.