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Casey talks with experts about the 50th anniversary of the Pioneer 10 launch toward Jupiter and beyond, and why most outer planets missions since then have been so costly.
Lindley Johnson has just been named NASA's first Planetary Defense Officer. He's joined on this week's PlanRad by astronomer Kelly Fast, the new manager of the Near Earth Object Observation Program.
After decades of mystery and investigation, after the recovery of gigabyte after gigabyte of data stored in obsolete computer formats, the whatdunit surrounding Pioneers 10 and 11 has finally reached its conclusion.