Mars Breakthrough Peers Under The Red Planet's Surface in Scientific First
Peering deeper below the surface of Earth can tell us a lot about its history and geological make-up, and it's the same for any other planet.
Now the InSight lander on the surface of Mars has provided our first in-depth look at what lies just beneath the red planet's surface.
The seismometer on board InSight – called SEIS or the Seismic Experiment for Interior Structure – points to a shallow sedimentary layer sandwiched between hardened rocks resulting from lava flows, going down to a depth of around 200 meters or about 650 feet.
This could tell us a lot about how Mars was originally formed, how it evolved over time, and the sort of geological factors that are still in play today. In particular, the lava flows can be connected …
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