article_snippet.sent: It is about two thirds the size of our moon.
article_snippet.sent: Pluto's moons are also in the same frigid environment.
article_snippet.sent: The moon Charon is almost half the size of Pluto.
article_snippet.sent: The moon is so big that Pluto and The moon Charon are sometimes referred to as a double dwarf planet system.
article_snippet.sent: ‘Scientific literature is filled with papers on the characteristics of Pluto and Pluto moons from ground based and
article_snippet.sent: Pluto, the largest known body in the Kuiper Belt, is thought to have a nitrogen atmosphere and complex seasons.
article_snippet.sent: Among The dwarf planet five known moons, the largest - Charon - may The dwarf planet sport an atmosphere or an interior ocean, and possibly even evidence of recent surface activity.
article_snippet.sent: Scientists still know very little about Pluto (illustrated left), Pluto largest satellite Charon (right) and Pluto other moons. 
article_snippet.sent: Pluto, the largest known body in the Kuiper Belt, is thought to have a nitrogen atmosphere and complex seasons.
article_snippet.sent: Pluto smaller moons also are likely to present scientific opportunities.
article_snippet.sent: The latest image of Pluto and Charon, shows five moons orbiting the distant, icy dwarf planet Pluto.
article_snippet.sent: Styx (initially designated P5), is the innermost of the moons found by Hubble over the past seven years.