While the first-ever, up-close look at Pluto that we'll get is still half a year away, this week marks the official kickoff of observations for NASA's New Horizons mission. As the probe inches closer and closer to its destination, we'll see a steady stream of new information revealed about the icy dwarf planet.
Nine years ago, New Horizons was launched from Cape Canaveral. Since then, the spacecraft has traveled an impressive 3 billion miles at the fastest clip that has ever been recorded for an interplanetary probe. Since its launch, Pluto was also demoted by the International Astronomical Union in status...
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