By Douglas Messier
Chasing New Horizons: Insider the Epic First Mission to Pluto
by Alan Stern and David Grinspoon
hardcover, 320 pp., illus.
As America celebrated Independence Day on July 4, 2015, many members of the Johns Hopkins University Applied Physics Laboratory (APL) team that had guiding NASA’s New Horizons spacecraft toward the first ever exploration of Pluto took a little time off to relax before their lives became very busy.
After a 9.5-year long journey, the spacecraft was only 10 days out from its closest approach to the mysterious dwarf planet. All the secrets Pluto had kept hidden for 85 years since Clyde Tombaugh discovered in 1930 were about to be revealed.
And then the unthinkable happened. Controllers suddenly lost contact with the spacecraft as they were loading the final software needed to guide it through week-long flyby sequence set to begin in only three days. When communications were restored, controllers discovered to its horror that the program and all the supporting files they had spent months uploading had been wiped from the spacecraft’s computer.