NASA's InSight lander detects stunning meteoroid impact on Mars

 


The magnitude-four Mars quake that was recorded by NASA's In Sight lander on December 24 was only discovered by scientists after the fact—a meteoroid strike that is thought to be one of the largest ever observed on Mars since NASA began its space exploration. In addition, the meteoroid discovered ice chunks the size of boulders that were buried farther away from the Martian equator than ever before. This finding has implications for NASA's plans to send astronauts to the Red Planet in the future


A crater with a diameter of about 492 feet (150 meters) and a depth of about 70 feet (21 meters) was blasted by the impact in the Amazon region of Mars. Ice chunks the size of boulders were buried closer to the Martian equator than ever before. The event and its effects are described in detail in two papers published in the journal Science on October 27. This finding has implications for NASA's plans to send astronauts to the Red Planet in the future. When they compared before and after images taken by NASA's Mars Reconnaissance Orbiter (MRO), they noticed a brand-new, abysmal crater, which led them to the conclusion that the quake was caused by an impact by a meteoroid. The event and its effects are described in detail in two papers that were published in the journal Science on Thursday, October 27




One of the largest craters ever observed in the solar system is thought to be here. On Mars, there are numerous larger craters that predate any mission. Ingrid Dauber of Brown University, who is in charge of Insights Impact Science Working Group, stated, "It's unprecedented to find a fresh impact of this size"


The planet's crust, mantle, and core are being studied by Insight. This is one of two papers that describe how these waves are used to investigate the structure of Mars' crust. The second of the two Science papers on the big impact explains how scientists study the structure of Mars' crust with these waves


Crater Hunters 

In late 2021, the rest of the team was informed by Insight scientists that they had detected a significant Mars quake on December 24. On February 11, 2022, scientists at Mali n Space Science Systems (MSSS), which built and operate two cameras on MRO, discovered the crater for the first time. The Context Camera (CTX) takes images in black and white at a medium resolution, and the Mars Color Imager (MARCI) creates daily maps of the entire planet, allowing scientists to follow large-scale weather changes like the recent dust storm in a nearby area, which further depleted Insight's solar power.


The blast zone of the impact could be seen in the MARCI data, which allowed the team to pinpoint the impact's 24-hour duration. The conclusive evidence that the massive earthquake of December 24 was caused by a meteoroid impact was provided by these observations' correlation with the seismic epicenter


MRO's High-Resolution Imaging Science Experiment color camera captured an impact on Mars that exposed substantial ice chunks.  This close to the Martian equator, which is the warmest part of Mars and is an attractive location for astronauts, buried ice has never been seen before


The Marshall Space Flight Center of NASA in Huntsville, Alabama, is in charge of managing Insight, which is a component of the Discovery Program. For NASA's Science Mission Directorate, JPL is in charge of Insight and the Mars Reconnaissance Orbiter. The mission is being supported by European partners, such as the German Aerospace Center (DLR) and the French Center National d'Études (CNES). The H I R I S E camera was built and is operated by the University of Arizona. The Insight mission is being supported by a number of European partners, including the German Aerospace Center (DLR) and the French Center National d'Études (CNES). IPGP made significant contributions to SE IS, the Germany-based Max Planck Institute for Solar System Research (MPS), the Federal Institute of Technology of Switzerland (ETH Zurich), the United Kingdom's Oxford University and Imperial College London, and also JPL 

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