The Radio Science Experiment (REX) that will measure atmospheric composition and temperature.
In the clean room at KSC’s Payload Hazardous Servicing Facility is NASA’s New Horizons spacecraft that is scheduled to be launched to Pluto and its moon Charon in January 2006. Seen here is the Radio Science Experiment (REX) that will measure atmospheric composition and temperature. The spacecraft is being prepared for a media event.