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Marc Buie

2014 MU69/Ultima Thule Discoverer

Mark Buie is the discoverer of 2014 MU69/Ultima Thule.

Latest Planetary Radio Appearances

New Horizons Flyby: Join the Celebration!

Join us at the Applied Physics Lab in Maryland for the New Horizons encounter with the most distant object ever visited. You’ll meet mission leaders, friends and even a rock and roll star as we dive deep into this triumph of exploration.