Chasing Pluto, Space Warps. May 4, 2018, Part 1

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In July of 2015, the world was stunned to learn that Pluto, a tiny, distant dot that some didn’t even consider a planet, was a dynamic, complex, and beautiful world. But for scientists in pursuit of Pluto’s secrets since the late 1980s, it was a long wait. The mission faced political hurdles, budget battles, technical challenges, and near-disaster even as it was days away from speeding past Pluto. Alan Stern, the mission’s dogged principal investigator, and astrobiologist David Grinspoon have written a new book about the decades-long effort to visit Pluto. Last week we asked you to help us spot galaxies magnified by other galaxies—a phenomenon known as gravitational lensing. Over a million…