Tuesday, October 01, 2019

Peculiar Sounds on Mars: What NASA's InSight Robot Lander 'Hears'

Peculiar Sounds on Mars
What NASA's InSight Robot Lander 'Hears'
NASA's InSight lander placed a seismometer on the Martian surface to study marsquakes. While it's found many, it has also detected other kinds of seismic signals, including some produced by the spacecraft itself. That includes wind gusts, InSight's robotic arm moving around and "dinks and donks," friction caused by parts inside the seismometer moving against each other as the temperature changes.

Put on your headphones and you can hear sonifications of this seismic "noise" recorded on March 6, 2019, the 98th Martian day, or sol, of the mission. Around 2 p.m. local Mars time, the spacecraft's arm was moving and snapping pictures with its cameras, surveying InSight’s “workspace.”


This audio would be too faint for the human ear to heart it on Mars. It's been sped up by 10 times and processed so you can hear the kinds of signals InSight sends back for its scientists to study.

Credit: NASA's Jet Propulsion Laboratory
Duration: 1 minute, 35 seconds
Release Date: October 1, 2019


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