Pluto: The votes are in

David A. Aguilar (Harvard-Smithsonian Center for Astrophysics)
September 22, 2014
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David A. Aguilar (Harvard-Smithsonian Center for Astrophysics)

Pluto (left) and Charon (right) dominate this view of the outer solar system. Charon is about half the size of Pluto. Pluto also hosts four tiny moons - Nix, Hydra, Kerberos, and Styx - two of which are seen as small crescents at top left and right. In the distance, a faint Sun illuminates dust within the asteroid belt. (Image by David A. Aguilar (Harvard-Smithsonian Center for Astrophysics)