NASA's InSight Lander hears multiple 'Marsquakes' on the red planet

NASA's dream of colonising red planet has inched closer to reality. On Tuesday, American ncy's InSight lander has 'heard' several vibrations on Mars, as shared by NASA. InSight lander's sensitive seismometer - Seismic Experiment for Interior Structure (SEIS) has picked up 100 events to date. Of se 100 events, 21 are strongly suspected to be 'Marsquakes', according to NASA.

NASA detects multiple 'Marsquakes' 

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What did InSight Lander hear?

Explaining waves picked by SEIS, NASA h shared first 'Marsquake' captured in April. Following this, SEIS has picked up two more 'Marsquake on May 22, 2019, and July 25, 2019. While both sounds were far below human range of hearing, both were recorded by "very broband sensors" on SEIS, which are more sensitive at lower frequencies than its short period sensors, as shared by NASA. NASA states Sol 173 quake is about a magnitude 3.7; Sol 235 quake is about a magnitude 3.3.

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NASA detects first Marsquake

Earlier in April, InSight probe which landed on Mars in vember 2018, first picked up a faint rumble on April 6, 2019, which marks 128th Martian day or sol, of mission. This is first seismic signal detected on any planetary surface apart from Earth and its moon. Scientists h speculated source of 'Marsquake' could be due to a crack inside red planet or vibrations due to a meteorite impact. Scientists who have studied rumble recorded by InSight probe reported that signals remind m very much of of data Apollo sensors gared on lunar surface. 

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What does NASA's InSight Lander do?

InSight lander was launched by NASA to identify multiple quakes on Mars, which would present a clearer understanding of planet's interior rock structure.   results can n be compared with Earth's internal rock layers to learn similarities and differences in which se two planets have evolved over time. probe's mission is scheduled to last more than two earth years. Seismograph experts hope that by that time, InSight should record ar dozen or so seismic signals in initial operating period.

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