Pluto

Latest about Pluto

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3 Small, Icy Worlds Discovered in Pluto's Territory

By Mike Wall published

The three worlds are likely dwarf planets, like Pluto and Eris.

Pluto
Two labeled images of the Pluto system, released on July 20, 2011, taken by the Hubble Space Telescope's Wide Field Camera 3 ultraviolet visible instrument with newly discovered fourth moon P4 circled. The image on the left was taken on June 28, 2011. The

Hell of a Choice: 'Cerberus' Leads for New Pluto Moon Name

By Natalie Wolchover published

The lead discoverer of Pluto's new moon is leaning toward "Cerberus." The International Astronomical Union will make the official choice.

Pluto
Artist’s impression of how the surface of Pluto might look. The image shows patches of pure methane on the surface.

New Pluto Moon Adds Another Chapter to Dwarf Planet's Saga

By Mike Wall published

Pluto's history is long and convoluted, packed full of drama and surprises.

Pluto
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New Pluto Moon Foreshadows More Surprises for NASA Probe En Route

By Mike Wall published

The New Horizons probe is slated to make a close flyby of Pluto in July 2015.

Pluto
Two labeled images of the Pluto system, released on July 20, 2011, taken by the Hubble Space Telescope's Wide Field Camera 3 ultraviolet visible instrument with newly discovered fourth moon P4 circled. The image on the left was taken on June 28, 2011. The

Hell of a Choice: Cerberus Leads for New Pluto Moon Name

By Natalie Wolchover published

The lead discoverer of Pluto's new moon is leaning toward "Cerberus." The International Astronomical Union will make the official choice.

Pluto
Pluto's fourth moon

Pluto Has Another Moon, Hubble Photos Reveal

By Space.com Staff published

The dwarf planet now has four moons!

Pluto
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Flying Telescope Chases Down Pluto's Shadow

By Space.com Staff published

An airborne observatory managed to be in the right place and time to catch Pluto occulting a star.

Pluto
pluto-system

Pluto's Mysterious Moons, Nix & Hydra, Turn 5

By Live Science Staff published

It has been five years since Nix and Hydra, Pluto's tiny moons, were named. Mysteries still abound with the pair.

Pluto
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Should Pluto Be a Planet? Experts Weigh In

By Mike Wall published

Now that Pluto looks to have regained the title of largest object in the outer solar system, should astronomers consider calling it a full-fledged planet again?

Pluto
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Dwarf Planet Eris May Be Smaller Than Pluto After All

By Mike Wall published

The dwarf planet Eris, once thought to be the largest body in the outer solar system, may actually be smaller than Pluto, observations suggest.

Pluto
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