Scientists Intrigued by "Negative Mass Anomaly" Under Surface of Mars
Briefly

Scientists Intrigued by "Negative Mass Anomaly" Under Surface of Mars
""The Martian surface is so old and shows all these complex but largely not well understood process[es], which I think we can start to unravel by combining interior with surface.""
""Understanding Mars will help in understanding our solar system, as its history is laid out on the red soil.""
""The negative or light mass anomaly will move upwards and hit the lithosphere, potentially driving volcanic activity in the Tharsis region.""
NASA's InSight Mars lander discovered that Mars is spinning slightly faster each year, shortening its day by fractions of a millisecond. A study from Delft University suggests a negative mass anomaly deep under Mars may be responsible for this acceleration. This anomaly, a plume of hot buoyant mantle material, could be influencing the planet's rotation. The research also examines the Tharsis volcanic province, proposing that buoyant material beneath it may lead to the formation of new volcanoes over time.
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