What it took to get to Pluto

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Charon and Pluto, composite image
This composite of enhanced color images of Pluto (lower right) and Charon (upper left), was taken by NASA's New Horizons spacecraft as it passed through the Pluto system on July 14, 2015.
NASA | JHUAPL | SwRI 2015

NASA launched the New Horizons mission to Pluto in January 2006. It was a long-anticipated project that almost didn't happen.

As Alan Stern, planetary scientist and manager of the project, wrote in a new book he co-authored, "It was disappointing to me to learn that senior scientists insisted that a mission to Pluto wasn't justified simply for its exploration value."

Stern joined MPR News host Kerri Miller to discuss his new book, "Chasing New Horizons: Inside the Epic First Mission to Pluto," which he co-authored with David Grinspoon.

Use the audio player above to hear the full discussion.

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