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dwarf planet
Table of Contents
Introduction References & Edit History Quick Facts & Related Topics
Images & Videos
Pluto; Charon; Nix; Hydra
Learn about the dwarf planets within our solar system
Why isn't Pluto a planet?
Quizzes
View of the Andromeda Galaxy (Messier 31, M31).
Astronomy and Space Quiz
The orbits of the planets and other elements of the solar system, including asteroids, Kuiper belt, Oort cloud, comet
Space Odyssey
1 July 2002: The Solar and Heliospheric Observatory (SOHO) satellite reveals a massive solar eruption more than 30 times the Earth's diameter. The eruption formed when a loop of a magnetic field over the surface of the Sun trapped hot gas.
Brightest Star in the Solar System
Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.
All About Astronomy
Related Questions
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Remarkable new details of Pluto's largest moon Charon are revealed in this image from New Horizons' Long Range Reconnaissance Imager (LORRI), taken late on July 13, 2015 from a distance of 289,000 miles
Why Is Pluto No Longer a Planet?
Pluto. Crop of asset: 172304/IC code: pluto0010 at 270 degrees. The Changing Faces of Pluto. Most detailed view to date of the entire surface of the dwarf planet Pluto, constructed from multiple NASA Hubble Space Telescope photographs 2002-03.
Wee Worlds: Our 5 (Official) Dwarf Planets
Pluto. The Changing Faces of Pluto. Most detailed view to date of the entire surface of the dwarf planet Pluto, as constructed from multiple NASA Hubble Space Telescope photographs taken from 2002 to 2003.
10 Important Dates in Pluto History
US Marines firing at Fallujah, Iraq, during the Second Battle of Fallujah in November 2004. Operation Iraqi Freedom, Iraq War.
Timeline of the 2000s
Solar system illustration. (planets; sun)
Why Are Planets Round?
Discover
Dr. Martin Luther King Jr. addresses marchers during his "I Have a Dream" speech at the Lincoln Memorial in Washington. August 28th 1963
Was Martin Luther King, Jr., a Republican or a Democrat?
Demystified - Do Lemmings Really Commit Mass Suicide? illustration
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World Data Locator Map: Australia
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Panoramic view at sunrise of moai, Ahu Tongariki, Easter Island (Rapa Nui), Chile
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Black widow spider
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Orange basketball on black background and with low key lighting. Homepage 2010, arts and entertainment, history and society
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Adolf Hitler (Nazi, nazism, German leader).
9 Things You Might Not Know About Adolf Hitler

dwarf planet: Media

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Videos

Learn about the dwarf planets within our solar system
Learn about dwarf planets.
Video: JPL/NASA
Why isn't Pluto a planet?
Being a dwarf planet isn't really a downgrade.
Video: Encyclopedia Britannica INC.

Images

Pluto; Charon; Nix; Hydra
Pluto and three of its moons—Charon, Nix, and Hydra—as observed by the Hubble Space...
HST Pluto Companion Search/ESA/NASA
VIEW MORE in these related Britannica articles: