NASA scientists found that the outer shell of Venus may be resurfacing the planet. The team studied geological features called 'coronae' in Magellan mission images.
Using three-decade-old data from NASA's Magellan mission, agency scientists examined how Venus cools, finding that thin regions of the planet's uppermost layer may have an answer.
A thin lithosphere allows more heat to escape from the planet’s interior via buoyant plumes of molten rock rising to the outer layer, according to NASA. Where there's enhanced heat flow, there's increased volcanic activity below the surface, so coronae likely reveal locations where active geology is shaping Venus’ surface.
The regions have an estimated heat flow that is greater than Earth’s average, suggesting that coronae are geologically active.
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