NASA’s InSight lander may have recorded a marsquake – Engadget

The space agency gives much of the credit for the likely discovery to the design of the seismometer system in question. The Seismic Experiment for Interior Structure has multiple insulating barriers designed to limit the influence of changes in the wind and weather, allowing it to record subtle shaking without needing to go deep underground. The weaker events were captured using extra-sensitive Very Broad Band sensors.

Researchers are still trying to pinpoint the exact cause of the apparent marsquake, and expect to share more detailed results in the future. What’s available right now is still notable, though — it suggests that InSight is quickly paying dividends by revealing aspects of Mars that weren’t accessible toearlier rovers.

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