Astronaut Jessica Watkins at Howard University. Howard University student Nathan Roseboro gives NASA astronaut Jessica Watkins a demonstration of his work with lasers during a tour of the Nuclear and Particle Physics Detector Laboratory at Howard University, Friday, March 31, 2023, in Washington.

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Keywords: astronaut, crew-4, dc, detector, howard, jessica, laboratory, nathan, nuclear, particle, physics, postflight, roseboro, spacex, university, usa, washington, watkins