Carolyn Shoemaker has discovered more comets--32 in all--than any other living astronomer. She has also discovered more than 800 asteroids. She was introduced to astronomy by her late husband, the pioneering planetary scientist Gene Shoemaker.
April 29, 2013 • 28:50
Our special coverage of the PDC continues with two planetary scientists separated by almost 60 years in age, but with similar dedication and enthusiasm for saving the planet.
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LightSail 2 launched aboard the SpaceX Falcon Heavy. Be part of this epic point in space exploration history!