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Science Talk is a weekly science audio show covering the latest in the world of science and technology. Join Steve Mirsky each week as he explores cutting-edge breakthroughs and controversial issues with leading scientists and journalists. He is also an articles editor and columnist at Scientific American magazine. His column, "Antigravity," is one of science writing's great humor venues. Also check our daily podcast from Scientific American : "60-Second Science." To view all of our archived podcasts please go to www.scientificamerican.com/podcast
July 14th, 2015
Episode 58 of 98 episodes
At just before 7:50 A.M. today, July 14, 2015, the New Horizons spacecraft made its closest approach to Pluto. After a 9.5-year, three-billion-mile voyage, the ship got within about 7,750 miles from the surface. At 8:15 A.M., Alan Stern, principal investigator of NASA’s New Horizons mission to Pluto, was joined by Alice Bowman, mission operations manager and John Grunsfeld, astronaut and associate administrator for the NASA Science Mission Directorate, at a press conference at the Johns Hopkins University Applied Physics Laboratory in Laurel, Md.