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first tremor discovered at Red Planet

Credit: CC0 Public Domain Scientists said they might have discovered the first known seismic tremor on Mars in a discovery that could shed light on the ancient origins of the earth's banners. A dome-shaped probe called SEIS landed on the Mars surface in December after checking on NASA's spacecraft. The instruments measure surface vibrations caused by the weather but can also detect movement deep within the planet, so-called "marsquakes" &#821 1; or those caused by meteorite influences. The French space agency Cnes, which runs SEIS, said it had discovered "a weak but distinctive seismic signal" from the probe. The team hopes to gather information about the activity in the middle of Mars, hopefully providing insight into the formation billions of years ago. "It's great to finally get a sign that there is still seismic activity on Mars," said Philippe Lognonne, a researcher at the Paris Institut de Physique du Globe. "We've been waiting for our first Martian shake for months." According to NASA's Bruce Banerdt, earthquake detection marks "a new discipline of birth: Martian's seismology". The team said they were still working to confirm the cause of the tremor, taken on April 6, and making sure it came from the planet's interior rather than wind or noise distortion. It is said that three other similar but weaker signals of tremor had been taken up by the apparatus. InSight places the first instrument on Mars © 2019 AFP Citation :"Marsquake": first tremor discovered at Red Planet (2019, April 23)April 23, 2019from…

Credit: CC0 Public Domain

Scientists said they might have discovered the first known seismic tremor on Mars in a discovery that could shed light on the ancient origins of the earth’s banners.

A dome-shaped probe called SEIS landed on the Mars surface in December after checking on NASA’s spacecraft.

The instruments measure surface vibrations caused by the weather but can also detect movement deep within the planet, so-called “marsquakes” &#821

1; or those caused by meteorite influences.

The French space agency Cnes, which runs SEIS, said it had discovered “a weak but distinctive seismic signal” from the probe.

The team hopes to gather information about the activity in the middle of Mars, hopefully providing insight into the formation billions of years ago.

“It’s great to finally get a sign that there is still seismic activity on Mars,” said Philippe Lognonne, a researcher at the Paris Institut de Physique du Globe.

“We’ve been waiting for our first Martian shake for months.”

According to NASA’s Bruce Banerdt, earthquake detection marks “a new discipline of birth: Martian’s seismology”.

The team said they were still working to confirm the cause of the tremor, taken on April 6, and making sure it came from the planet’s interior rather than wind or noise distortion.

It is said that three other similar but weaker signals of tremor had been taken up by the apparatus.


InSight places the first instrument on Mars


© 2019 AFP

Citation :
“Marsquake”: first tremor discovered at Red Planet (2019, April 23)
April 23, 2019
from https://phys.org/news/2019-04-marsquake-tremor-red-planet.html

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