Hitekno.com – Mars generally thought to be geologically dead from about three billion years ago, when the core that supported the magnetic field planet cold red.
With evidence of traces of long-lost rivers and lakes still visible, it’s no wonder there are many such hypotheses, even if these hypotheses are now being disproven.
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Reported by Sputnik News, Mars planet apparently still “pulsating”, i.e. showing volcanism and tectonics.
A red planet thought to be dead may be more active than previously believed, a new study has revealed.
The discovery of the ‘crest’ (plume) active in Mars’ mantle hidden beneath the plains of Elysium Planitia led a team at the University of Arizona to believe that previous theories of Mars’ disappearance might be wrong.
Mars, which once had an atmosphere, water in the form of rivers and lakes, and activity volcanicit shuts down when over time due to the core cooling to a level where its magnetic generator “turns off”.
This is what exposed it to the onslaught of the “solar wind” which began to erode the atmosphere.
The planet, which was under bombardment with radiation, lost its atmosphere and water, turning into a cold desert.
Not only that. Recently, the InSight lander on Mars revealed indications of activity seismic.
Previous research by the same group of scientists has pointed to an unusually strong gravitational field emanating from Elysium Planitia, Adrien Broquet, a postdoctoral research associate at the University of Arizona Lunar and Planetary Laboratory (LPL) and study co-author, Jeffrey Andrews- Hanna, a professor of planetary science at LPL, proceeded to collect topographic, gravity, geological and seismic data for further study.
They ended up applying a tectonic model to the area in question. That’s when they discovered that 4,000-kilometer-wide convection plumes in the Martian mantle were pushing molten magma toward the planet’s surface, triggering “Martian” earthquakes and volcanic activity.
Activities plume such continuous continuity is evidence that Mars is still seismically and volcanically active.
“Mars was most active 3 to 4 billion years ago, and the prevailing view is that the planet is essentially dead today… What little activity has occurred in recent history is usually attributed to passive processes on planetary cooling said one of the study’s authors, Adrien Broquet, a postdoctoral researcher at the UArizona Lunar and Planetary Laboratory.
Jeffrey Andrews-Hanna adds it to the evidence plume an active mantle, as recorded on Earth and Venus, is not something one would expect on tiny, seemingly cold Mars.
