Lucy McFadden's guest appearances

Lucy McFadden

Planetary Radio: Space Exploration, Astronomy and Science

Elon Musk

Barack Obama

Mike Rowe

Adam Schiff

Phil Plait

Ben Miller

Sara Seager

Neil deGrasse Tyson

Ray Bradbury

Mary Roach

Andy Weir

Garrett Reisman

Neil Armstrong

Bill Nye

Katie Mack

OwlTail

Carolyn Crow

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