A worker wears a clean room suit as they walk past a propulsion component of the Europa Clipper spacecraft while it is prepared for a mission to Jupiter’s moon Europa inside a clean room at NASA’s Jet Propulsion Laboratory (JPL) in Pasadena, California on April 11, 2023. In October 2024, NASA will launch the Europa Clipper spacecraft that will study Jupiter's moon and its underground oceans. (Photo by Patrick T. Fallon/AFP Photo)
