A bit late
"Beams of radio waves are sent down to Vesta, and the signals are reflected back and decoded by scientists working at NASA’s Jet Propulsion Laboratory."
In fact, Dawn left Vesta in September 2012 and is currently in orbit around Ceres
"Beams of radio waves are sent down to Vesta, and the signals are reflected back and decoded by scientists working at NASA’s Jet Propulsion Laboratory."
In fact, Dawn left Vesta in September 2012 and is currently in orbit around Ceres