"Arizona Illustrated" anchor Bill Buckmaster talks with Parade Science Editor and famed "comet-finder" David Levy.

Among the topics, Levy talks about NASA and climate change.

One of Levy's better known discoveries was the Shoemaker-Levy comet that smashed into Jupiter in 1994. The collision provided scientists with invaluable information about comets, their makeup, and the effects the impact had on our solar system's largest planet. (5:56)

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