Mars InSight deploys quake-sensor
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The US space agency鈥檚 unmanned Mars InSight lander, which touched down on the Red Planet last month, has successfully deployed its key, quake-sensing instrument on the alien world鈥檚 surface, NASA said yesterday.
The seismometer, known as the Seismic Experiment for Interior Structure, or SEIS, was made by the French space agency, CNES.
鈥淪eismometer deployment is as important as landing InSight on Mars,鈥 said InSight principal investigator Bruce Banerdt of NASA鈥檚 Jet Propulsion Laboratory.
鈥淭he seismometer is the highest-priority instrument on InSight: We need it in order to complete about three-quarters of our science objectives.鈥
The spacecraft used its robotic arm to place the seismometer on the ground in front of the lander, 1.64 meters away, on Wednesday, NASA said.
The tool aims to help scientists better understand the interior of Earth鈥檚 neighboring planet by studying ground motion, or 鈥渕arsquakes.鈥
The goal of the two-year mission is to create the first three-dimensional map of Mars鈥 interior to better understand how rocky planets, like Mars and Earth, took shape billions of years ago.
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