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NASA confirms the presence of a huge meteor behind the huge crater of Mars, an earthquake
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Scientists at NASA have determined that a large meteor strike was the cause of a magnitude 4 earthquake on Mars, which caused a huge crater in the surface of the Red Planet. Image provided by NASA
Oct 28 (UPI) – Scientists at NASA have determined that a large meteor strike was the cause of a magnitude 4 earthquake on Mars.
The meteor strike is one of the largest ever seen on the Red Planet since the agency began space exploration, according to findings published Thursday in the journal Science.
NASA’s InSight lander felt the Earth shook when the earthquake struck on December 24, 2021, but scientists didn’t know what caused it until recently.
Cameras aboard the Mars Reconnaissance Orbiter have returned for the first time, visual confirmation of the massive crater. Scientists compared before-and-after images taken by the orbiter and discovered the massive impact crater in the most recent footage.
The impact of the cratered meteor on ice chunks the size of rocks buried closer to the planet’s equator than ever before. This discovery has implications for future plans to send astronauts to Mars, according to NASA.
The crater is about 492 feet wide and 70 feet deep. Some debris was ejected from the impact 23 miles away.
“It’s unprecedented to find a new impact of this magnitude. It’s an exciting moment in geological history, and we have to witness it,” Ingrid Dubard of Brown University, who leads the Insight science working group, said in a statement.
The images, along with seismic data collected from the InSight lander, led the researchers to believe this represented one of the largest craters seen anywhere in the solar system.
Larger craters already exist on Mars, but they predate any space missions to the planet.
It is estimated that the meteorite spanned from 16 to 39 feet. With this size, it would have burned up in Earth’s atmosphere, but Mars’ thin atmosphere allowed it to pass through and hit the surface.
The atmosphere of the red planet is only 1% of the density of Earth’s atmosphere.
The timing was a coincidence. The solar panels of the InSight lander are covered with dust, which significantly reduces its power. The spacecraft is now expected to shut down within the next six weeks, ending its mission.
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