A new study adds Venus to the small pool of volcanically-active bodies in our solar system.
Scientists have discovered evidence they interpret as ongoing volcanism on the surface of Venus, according to a new analysis of radar images from the Magellan spacecraft published inThe findings showed that over eight months in 1991, a volcanic vent of over one square mile changed shape and grew. Significantly, the research adds Venus to the small pool of volcanically-active bodies in our solar system.
Maat Mons: Magellan synthetic aperture radar data is combined with radar altimetry to develop this 3D imageThe vent had expanded from about 1 square mile circular configuration to a roughly 1.5 square miles irregular shape. The later photograph revealed that the vent was almost filled and that its walls had shrunk to barely a few hundred feet high.
That said, the team also reasons that nearby volcanic eruptions have always accompanied such large-scale vent collapses that have occurred on Earth. This happens as magma retreats from beneath the vent and moves to another location.
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