Venus, Unmasked: 25 Years Since the Arrival of Magellan at Earth’s Evil Twin

Radar image of the northern hemisphere of Venus, taken by the Magellan spacecraft. During its 50 months in orbit around Earth’s evil twin, which began 25 years ago today, Magellan radar-mapped 98 percent of the surface. Image Credit: NASA/JPL

Twenty-five years ago, today, a spacecraft slipped silently into orbit around Venus to begin an [...]