Linking the Solar System and Extrasolar Planetary Systems with Radar Astronomy: Infrastructure for "Ground Truth" Comparison

Planetary radars obtain unique measurements about solar system bodies, including of Venus, Earth's “twin,” and small bodies, the constituents of the Sun's debris disk. The world's planetary radar infrastructure leverages astronomical and telecommunications antennas — Arecibo and the Goldstone Radar, with the Green Bank Telescope as a receiver.