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First trembling discovered on the Red Planet



  Mars
Credit: CC0 Public Domain

Scientists said Tuesday they may have discovered the first known seismic quake on Mars in a discovery that could shed light on the ancient origins of Earth's neighbor.

A dome-shaped probe, known as SEIS, landed on the surface of Mars in December after taking a ride on NASA's InSight probe.

His instruments measure surface vibrations caused by weather, but are also able to detect movements from the depths of the planet ̵

1; so-called "Marsquakes" – or those caused by meteorite impacts.

French space agency Cnes, which operates SEIS, said it detected "a weak but strong seismic signal" from the probe.

The team hopes to gather information about activities in the center of Mars. hopefully a glimpse into its origins billions of years ago.

"It's great to finally have a sign that there is still seismic activity on Mars," said Philippe Lognonne, a researcher at the Institut de Physique du Globe in Paris.

"We've been waiting for months for our first Marsquake."

According to NASA's Bruce Banerdt (NASA), earthquake detection "marks the birth of a new discipline: Marseismology".

The team said they were still working to confirm the cause of the quake that was picked up on April 6 and made it come from inside the planet rather than wind or noise.

Three other similar but weaker signals of tremor were picked up by the apparatus.


InSight places first instrument on Mars


© 2019 AFP

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& # 39; Marsquake & # 39 ;: first tremor discovered on the Red Planet (2019, April 23)
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from https://phys.org/news/2019-04-marsquake-tremor-red-planet.html

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