NASA's New Horizon probe watched Charon and Pluto orbit a common center of mass that lies outside either body. Each full revolution takes 6.4 Earth days. The first image was snapped 126 million miles out; the last was ~5 million miles closer.
NASA's New Horizon probe watched Charon and Pluto orbit a common center of mass that lies outside either body. Each full revolution takes 6.4 Earth days. The first image was snapped 126 million miles out; the last was ~5 million miles closer.
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