Skip to main content

Photos of Pluto and Its Moons

Artist's Impression of Dwarf Planet Eris

ESO/L. Calçada

This artist's impression shows the distant dwarf planet Eris. New observations have shown that Eris is smaller than previously thought and almost exactly the same size as Pluto. Eris is extremely reflective and its surface is probably covered in frost formed from the frozen remains of its atmosphere.

Artist’s Impression of the Dwarf Planet Eris and Moon Dysnomia

ESO/L. Calçada

This artist's impression shows the distant dwarf planet Eris in the distance with its moon Dysmonia in the foreground. New observations have shown that Eris is smaller than previously thought and almost exactly the same size as Pluto. Eris is extremely reflective and its surface is probably covered in frost formed from the frozen remains of its atmosphere. Dysnomia appears to be a darker and less reflective body.

Dwarf Planet Eris' Shadow Path During November 2010 Occultation

ESO/L. Calçada

This artist’s impression shows the shadow of the dwarf planet Eris as it was crossing the Earth during the occultation during November 2010. The regions along the path saw a faint star briefly disappear as its light was blocked by Eris. Studies of where the event was seen, and for how long, have allowed astronomers to measure the size of Eris accurately for the first time. Surprisingly, they find it to be almost exactly the same size as Pluto and that it has a very reflective surface.

Artist's Impression of the Dwarf Planet Eris

ESO/L. Calçada

This artist's impression shows the distant dwarf planet Eris. New observations have shown that Eris is smaller than previously thought and almost exactly the same size as Pluto. Eris is extremely reflective and its surface is probably covered in frost formed from the frozen remains of its atmosphere. The distant Sun appears to the upper right and both Eris and its moon Dysnomia (center) appear as crescents.

Join our Space Forums to keep talking space on the latest missions, night sky and more! And if you have a news tip, correction or comment, let us know at: community@space.com.