Happy Asteroid Day _on Planetary Radio

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Planetary Radio

Happy Asteroid Day

Asteroid Day, June 30th, marks the anniversary of the great Tunguska impact that leveled a Siberian forest. It reminds us that a Near Earth Object can destroy a city or even a civilization. Former Minor Planet Center Director Tim Spahr reviews our efforts to find and understand these bodies. Bruce Betts unveils a new round of Planetary Society grants that will support this work. Jason Davis takes us to Uranus and Neptune, ice giants that have only been visited by one spacecraft. Bill Nye wonders how future Mars rovers will communicate with Earth if aging satellite fail without replacements.

Featured Speakers: Bill Nye, Tim Spahr, Bruce Betts, Mat Kaplan


This show was broadcast on August 1, 2017.

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