The InSight robotic spacecraft is equipped with a seismometer sent by NASA to explore Mars. It landed and surveyed the surface of Mars during the year 2018-2022, and hundreds of earthquakes were detected on the surface of Mars. Seismologists have said that seismic waves generated by an earthquake or shock can slow down or speed up. It depends on the type of material through which the waves travel. This allows the movement of waves to be measured to predict the internal shape of the star.
The latest research team is led by planetary scientists from the Swiss Federal Institute of Technology in Zurich. Switzerland revealed new information after studying the earthquake that was caused by a meteorite impacting Tempe Terra, an elevated area on the planet Mars, on September 18, 2021, causing a 4.2-magnitude earthquake on the Richter scale, and leaving a crater approximately 130 meters wide on the opposite side. InSight’s landing site The seismic waves generated by this event have provided new evidence about the deep interior of the red planet.
The researchers revealed that shocks coming from the other side of the star create seismic waves that travel deep into the star. Including the core The wave behavior indicates that there is a layer of molten silicate about 150 km thick surrounding the core. This molten region is located in the body of the star. It is the structural layer located between the star’s crust and the star’s core, and also calculates the size of the new core. It was found to be about 3,350 kilometers in diameter and about 30% smaller in size than previously thought.