The earthquake-related consequences on Mars can shed light on how the red planet and the rest of the Solar system are formed. Other findings from InSight revealed that the magnetic field of Mars is 10 times stronger than expected.
InSight covered the 480 million kilometer road in about 7 months and landed on Mars in November 2018. The spacecraft has been investigating under the surface of Mars ever since. “Finally, for the first time, we have determined that Mars is a seismically active planet,” said InSight researcher and one of the studies’ lead author. The Mars earthquake was first recorded in April 2019 by sensors located in InSight.
The tool has detected more than 450 vibrations that have been much smaller than Earth’s mobility ever since, but two of the vibrations were so large that scientists could follow their origin. It was determined that the vibrations in question came from the geologically active Cerberus Fossae field. This area is located to the east of Elysium Planitia, a large plain covering the equator of Mars.
The researchers say that the seismic activity on Mars provides not only evidence of the cooling and contraction of the planet, but also tectonic plates that interfere or move apart.
Dr. from the Federal Institute of Technology in Zurich. “Mars earthquakes have features already observed on the Moon during the Apollo era, with a long signal duration (10 to 20 minutes),” said Domenico Giardini. Scientists are hoping to learn about how the interior of the planet looks and how it changes thanks to seismic waves on Mars.
In addition, researchers found that Mars air is similar to Earth’s, but there are important differences such as stronger daily atmospheric pressure and temperature fluctuations. Mars has a very thin atmosphere, which warms and cools faster than Earth’s atmosphere. So much so that on Mars the night air temperature drops to about -95 degrees, in the daytime it rises to 0 degrees.
According to InSight’s observations, the speed of the dust storm on the red planet reaches about 96 kilometers per hour. Preliminary findings the vehicle had in its first 10 months on Mars were published in the journal Nature. NASA’s $ 818 million InSight vehicle is expected to continue its business next year.
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