First Marsquakes Ever Seen Shake up Science of the Red Planet

A marsquake recorded on the Red Planet on April 6 is the first tremor ever seen on that world. A four-decade long search to detect the first quakes on Mars has come to an end, giving birth to a new discipline — Martian seismology.

The Seismic Experiment for Interior Structure (SEIS) probe, carried to Mars with the InSight spacecraft, detected the tremor. This dome-shaped instrument is capable of sensing quakes deep within the surface of the planet, as well as tremors caused by weather or asteroid impacts.

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The Cosmic Companion

The Cosmic Companion

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Writing about space since I was 10, still not Carl Sagan. Weekly video show, podcast, comics, more: www.thecosmiccompanion.net