Pluto’s smaller moons pose mysteries

New Horizon images offer clues to dwarf planet’s history

five moons of Pluto

FAMILY PORTRAIT  The five moons of Pluto show diverse sizes, shapes and surfaces that tell the story of how this system formed and evolved.

NASA, JHU-APL, SWRI

Pluto and Charon might have been the stars of the New Horizons mission, but the dwarf planet’s four smaller moons have some surprises to share as well.