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The Moons of Pluto

As seen in a composite image from Astronomy Picture of the Day 26/10/15.

Pluto's Moons

Styx and Kerberos are pretty fuzzy and Hydra shows up as an odd shape but Nix is well delineated.

Charon of course has been photographed as a sphere.

Pluto’s Moons

This was Astronomy Picture of the Day on 22/7/11.

The two photos, taken five days apart less than a month ago, show the four moons of Pluto; Charon, Nix, Hydra and P4 – so young it’s not yet been named – obviously in orbit around the main planetoid.

Four moons. Not bad for an object that was downgraded from planet status only recently.

Earth only has the one. (Cruithne isn’t properly a moon of Earth.)

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