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Venus May Have Active Volcanoes

Posted by Soulskill on from the because-venus-needs-more-ways-to-kill-you dept.

An anonymous reader writes: The European Space Agency's Venus Express spacecraft has discovered hot lava flows on the surface of Venus, providing the best evidence yet that the planet may have active volcanoes. "[U]sing a near-infrared channel of the spacecraft's Venus Monitoring Camera (VMC) to map thermal emission from the surface through a transparent spectral window in the planet's atmosphere, an international team of planetary scientists has spotted localized changes in surface brightness between images taken only a few days apart (abstract)." Venus is fairly similar to Earth in size and composition, which suggests it has an internal heat source. One of the biggest mysteries about Venus is how that heat escapes, and volcanic activity could be the answer.

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