Pluto’s Craters, Spots, Signs of Snow Seen in New Horizons Flyby

NASA’s New Horizons spacecraft sped past Pluto at around 7:50 a.m. EDT today, arriving 72 seconds earlier than expected and missing its aim point by about 45 miles — not bad after a 9.5-year, 3-billion-mile (5 billion km) journey and well within the probe’s target zone. Principal Investigator Alan Stern led a large group of scientists, enthusiasts, and media gathered at the site of mission operations at Johns Hopkins University Applied Physics Lab in Laurel, Maryland, in a countdown to close

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