Pluto may be small, but it has one of the most unusual moons in the solar system. Charon is so big compared to Pluto that the two worlds orbit each other like a pair. In this video, we explain why ...
Today In The Space World on MSN
New Horizons reveals Pluto like never before: Journey to the dwarf planet
Discover the epic 9-year journey of NASA’s New Horizons spacecraft as it races through the solar system to uncover Pluto’s ...
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