Searching for a common theme in a gathering as diverse as the spring meeting of the American Geophysical Union (AGU) in Baltimore last month might seem futile. But satellites, both natural and artificial, provided some of the meeting’s high points. Researchers reported on the first science results from the Clementine spacecraft’s a-month sojourn orbiting the moon, the revealing color of the small moon that accompanies the asteroid Ida, and the planned termination of the Magellan spacecraft orbiting Venus.