First meteoroid impacts on Mars

NASA's InSight Mars lander has recorded seismic waves from four space rocks that crashed on Mars in 2020 and 2021.

Not only are they the first hits identified by the spacecraft's seismometer since InSight landed on Mars in 2018,

A new study published in Nature Geoscience—on which Brown University Assistant Professor (research) of Earth

After three years of waiting for an impact, those craters looked stunning."

The first one the crew discovered made the most dramatic entrance:

When NASA's Mars Reconnaissance Orbiter flew over the projected impact site to validate the location,

It also tells us a lot about the impact process and the seismic results. This has never happened before."

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