Description
The Jet Propulsion Laboratory is the lead U.S. center for robotic exploration of the solar system, and conducts major programs in space-based Earth sciences and astronomy. JPL spacecraft have visited all of the planets from Mercury to Neptune.
Keywords
quantum Sciences and technology group, whispering gallery, mercury ion, frequency combs, combs, frequency, whispering, gallery, resonator, resonators, whispering gallery mode resonators, trapped ion, gravity gradiometer, gradiometer, GPS, DSN, mercury, Jet Propulsion Laboratory, JPL, NASA, National Aeronautics and Space Administration, Caltech, California Inst**ute of Technology, quantum.jpl.nasa.gov