Recent studies have uncovered mysterious structures beneath Mars' surface. These findings, led by Bart Root of Delft University of Technology (TU Delft), have offered new insights into the planet’s internal processes. Presented at the Europlanet Science Congress (EPSC) in Berlin, the research reveals hidden formations beneath an ancient Martian ocean bed. The discovery was made possible by combining data from space missions and advanced modelling techniques. These findings also highlight possible volcanic activity that could be fueling Olympus Mons, the largest volcano in the solar system.

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Gravity Data Reveals Hidden Martian Features

By examining Mars' gravity field, scientists uncovered dense structures that may be of volcanic origin. Dr Root noted that the team identified around 20 features near Mars' north polar cap. These formations, invisible from the surface, were revealed through gravity data. This offers an invaluable glimpse into Mars' geological past. Using satellite orbit deviations and data from NASA's InSight mission, the team probed the planet’s interior. Their analysis suggests a previously hidden world beneath the surface.

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Exploring Mars' Volcanic Activity

Further discoveries beneath Tharsis Rise, home to Olympus Mons, indicate that Mars’ mantle may still be active. The research uncovered a massive, lightweight structure beneath the surface, causing the Tharsis region to bulge. Dr Root suggests that Mars’ internal activity could support volcanic features on the surface. While no active volcanoes are currently found on Mars, this research implies that the planet's volcanic activity may have been more recent than initially believed.

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