Since 2002, Planetary Radio has visited with a scientist, engineer, project manager, advocate, or writer who provides a unique perspective on the quest for knowledge about our solar system and beyond. The full show archive is available for free.
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We open with the countdown to destruction—the MESSENGER spacecraft’s impact on Mercury ended its spectacularly successful mission. Principal Investigator Sean Solomon joins us immediately after this big finish.
MESSENGER has been orbiting the innermost planet for more than three-and-half-years. Principal Investigator Sean Solomon returns with a status report as the mission enters its final phase.
PI Sean Solomon's MESSENGER is Orbiting Mercury!
A MESSENGER Mercury Mission Update From Sean Solomon
MESSENGER Sails by Mercury for a Second Flyby
Astonishing Mercury, With MESSENGER Principal Investigator Sean Solomon
Celebrating the MESSENGER Mercury Flyby With Sean Solomon
A Winged MESSENGER Reaches Mercury, and Bill Nye Premieres!
MESSENGER Spacecraft Heads for Mercury