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About

Y. Bennour is a key figure in planetary seismology, best known for their instrumental contributions to the SEIS (Seismic Experiment for Internal Structure) experiment on NASA’s InSight mission. Their most-cited work, the 2019 *Space Science Reviews* paper detailing the SEIS instrument, has garnered over 375 citations, reflecting its foundational role in the first direct seismic exploration of Mars’ deep interior. Bennour’s research focuses on the design, deployment, and calibration of ultra-sensitive seismometers for extraterrestrial environments, particularly the Very Broad Band (VBB) instrument—a three-axis, long-period sensor capable of detecting ground motions as subtle as a few picometers. This work enabled the first-ever measurements of marsquakes, meteorite impacts, and the planet’s crustal, mantle, and core structure. By helping to overcome the technical challenges of operating a seismometer on the Martian surface—including extreme temperature swings and wind noise—Bennour’s contributions have reshaped our understanding of terrestrial planet formation. Their achievements underscore a career dedicated to pushing the boundaries of planetary instrumentation, making them a pivotal figure in the modern renaissance of Martian geophysics.