Scientists did not expect to find much water ice on Mars which is likely the third largest water reservoir on Mars.
NASA informed that Mars InSight lander for the first time captured a likely marsquake. Lander’s Seismic Experiment for Interior Structure (SEIS) detected on April 6, the lander’s 128th Martian day.
According to NASA this is the first time when Mars InSight lander recorded trembling or marsquake that seems to have come from inside the planet. To find out the exact results NASA scientists are still examining the data.
“InSight’s first readings carry on the science that began with NASA’s Apollo missions,” said InSight Principal Investigator Bruce Banerdt of NASA’s Jet Propulsion Laboratory (JPL) in Pasadena, California. “We’ve been collecting background noise up until now, but this first event officially kicks off a new field: Martian seismology!”
“The Martian Sol 128 event is exciting because its size and longer duration fit the profile of moonquakes detected on the lunar surface during the Apollo missions,” said Lori Glaze, Planetary Science Division director at NASA Headquarters.
“We’ve been waiting months for a signal like this,” said Philippe Lognonné, SEIS team lead at the Institut de Physique du Globe de Paris (IPGP) in France. “It’s so exciting to finally have proof that Mars is still seismically active. We’re looking forward to sharing detailed results once we’ve had a chance to analyze them.”
Identifying these tiny quakes required a huge feat of engineering. On Earth, high-quality seismometers often are sealed in underground vaults to isolate them from changes in temperature and weather.
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Source: Text and Images; NASA
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