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Scientists have discovered on March bizarre outbursts of magnetic impulses raising "interesting questions".
The paper, presented at the annual meeting of the European Congress of Planetary Science, held this month, says the Mars Mars InSight has detected these magnetic impulses during the night, a phenomenon that can not yet be explained.
"The continuous nocturnal pulsations found by IFG [InSight FluxGate] are unexpected because they are distinct from what is usually observed on the surface of the Earth at the same local time, "the researchers wrote. On the other hand, we have not found a counterpart to Mars for many types of well-known geomagnetic pulsations from studies on the Earth. . "
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According to National Geographic, legumes were 20 times stronger than previously recorded.
"We have a glimpse of the magnetic history of Mars in a way that we have never had before," said Paul Byrne, a global geologist at North Carolina State University.
"We believe that the magnetic pulsations observed to date by InSight are associated with fluctuations in the magnetotail induced and the limit of the magnetosphere," the researchers added. "In this scenario, Mars' distinct field and plasma environment raises interesting questions about how these oscillations propagate through the magnetosphere and the ionosphere and reach the surface."
Magnetic pulses are also observed with regular frequency, which surprises researchers, especially given the current location of the InSight lander, at the planet's equator.
InSight, who landed safely on the red planet in November 2018 after "seven minutes of terror" because of the agency's inability to control the probe's landing, continues the investigation. 39, scientific legacy of NASA's Apollo missions.
ANCIENT MARCH WAS HOT AND RAIN TO ENSURE LIFE, STUDY
Earlier this year, NASA announced that the $ 828 million lander had recorded the first "earthquake" on April 6, the 128th day of InSight on Mars.
The InSight mission (inland exploration with the help of seismic surveys, geodesy and heat transport) provides scientists with a wealth of data, particularly to help "scientists understand the formation of all rocky worlds , including ours, "NASA explained on its website.
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