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About

Dr. Christina Hernandez is a leading figure in planetary science and instrumentation, whose work is central to NASA’s Mars exploration program. Her primary research focuses on the development and operation of advanced robotic and analytical tools for in-situ planetary analysis, particularly for the Perseverance rover mission. Dr. Hernandez’s most significant contribution is her lead authorship of the foundational paper on the **PIXL (Planetary Instrument for X-Ray Lithochemistry)** instrument, which has garnered **135 citations**. This work details the design and capabilities of a micro-focus X-ray fluorescence spectrometer that maps the elemental chemistry of Martian rocks with unprecedented precision, directly supporting the mission’s goal of seeking signs of ancient microbial life. She also played a critical role in the surface commissioning of the Perseverance rover’s **Robotic Arm and turret-mounted instruments**, a complex engineering feat that involved redesigning the arm from the Curiosity rover to accommodate the heavier, more sophisticated PIXL and SHERLOC instruments. Her work ensures that these tools can precisely target and analyze the most promising geological samples, cementing her reputation as a key architect of the current era of Martian exploration.