New Horizons Fine-Tunes Its Course for MU69

A little goes a long way—especially when you’re traveling 51,000 mph! On Feb. 1, 2017 NASA’s New Horizons spacecraft performed a 44-second thruster burn that adjusted its course by just under 1 mph toward its next target, the Kuiper Belt object 2014 MU69. “One mile per hour may not sound like much,” said mission Principal…