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It’s not just Pluto, New Horizons also snapped some stunning images of Pluto’s satellite, Charon. Charon is Pluto’s moon. About half of Pluto’s size, Charon is the largest known satellite ...

Nitrogen is heated and cooled as Pluto rotates. A New Horizons image of Pluto and its moon Charon revealed more surprises about the dwarf planet and its orbiting moon. Click on the hand to see why ...

An SwRI-led team detected carbon dioxide and hydrogen peroxide spectral signatures on Pluto’s largest moon Charon using Webb telescope observations (white), which extend the wavelength coverage ...

Pluto and Charon formed from a “kiss and capture” collision, a new study from the University of Arizona reveals, rewriting theories of planetary formation. Unlike catastrophic impacts ...