NASA's robotic probe InSight has detected and measured what scientists beli...
- NASA’s robotic probe InSight has detected and measured what scientists believe to be a “marsquake,” marking the first time a likely seismological tremor has been recorded on another planet, the Jet Propulsion Laboratory in California reported on Tuesday.
The breakthrough came five months after InSight, the first spacecraft designed specifically to study the deep interior of a distant world, touched down on the surface of Mars to begin its two-year seismological mission on the red planet. Scientists are still examining the data to conclusively determine the precise cause of the signal, but the trembling appeared to have originated from inside the planet, as opposed to being caused by forces above the surface, such as wind, JPL said in a news release.
The tremor was so faint that a quake of the same magnitude in Southern California would be virtually lost among the dozens of tiny seismological crackles that occur there every day, JPL said.
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