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The newly defined class of "dwarf planets" includes Ceres in the Main Asteroid Belt (between the orbits of Mars and Jupiter) and Pluto and Eris (2003 UB 313) in the Edgeworth-Kuiper Belt (beyond the orbit of Neptune).
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www.solstation.com/stars/dwarfpla.htm
www.solstation.com/stars/dwarfpla.htm
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Eight planets have been discovered in our solar system. Mercury, Venus, Earth, and Mars are the planets closest to the Sun. They are called the inner planets. The inner planets are made ... Dwarf planets are objects that are similar to planets except that they orbit the Sun in areas where there are many similar objects.
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starchild.gsfc.nasa.gov/docs/StarChild/solar_system_lev...
starchild.gsfc.nasa.gov/docs/StarChild/solar_system_level1/planets.html
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This picture shows the sizes of the original three dwarf planets (Pluto, Ceres, and Eris) as compared to Earth. It also shows Pluto's large moon Charon (and its two small moons Nix and Hydra) and Eris's moon Dysnomia to scale.
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www.windows.ucar.edu/tour/link=/our_solar_system/dwarf_...
www.windows.ucar.edu/tour/link=/our_solar_system/dwarf_planets/dwarf_planets.html
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Almost two years after the International Astronomical Union (IAU) General Assembly introduced the category of dwarf planets, the IAU, as promised, has decided on a name for trans ... While all plutoids are dwarf planets, it is interesting to note that not all dwarf planets are plutoids, as is the case with Ceres.
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solarsystem.nasa.gov/planets/profile.cfm?Object=Dwarf&D...
solarsystem.nasa.gov/planets/profile.cfm?Object=Dwarf&Display=OverviewLong
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Eris (dwarf planet) - Wikipedia, the free encyclopedia
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Eris , formal designation 136199 Eris , is the largest known dwarf planet in the Solar System and the ninth-largest body known to orbit the Sun directly. It is approximately 2,500 kilometres in dia...
en.wikipedia.org/wiki/Eris_(dwarf_planet)
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all about the new tenth planet ... At the end of the conference, IAU members voted to demote Pluto and Eris to dwarf-planet status, leaving the solar system with only eight planets. The satellite of Eris has received the offical name Dysnomia, who in Greek mythology is Eris' daughter and the demon spirit of lawlessness.
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www.gps.caltech.edu/~mbrown/planetlila/
www.gps.caltech.edu/~mbrown/planetlila/
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Planets And Dwarf Planets Compared ... Dwarf Planets are a category of planets created on 24 August, 2006 in Prague by the International Astronomical Union. The vote and results that led to the creation of the categorisation are much argued about.
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www.bbc.co.uk/dna/h2g2/A14196549
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Guide with both general and statistical data. ... It is much smaller than any of the official planets and now classified as a "dwarf planet". Pluto is smaller than seven of the solar system's moons (the Moon, Io, Europa, Ganymede, Callisto, Titan and Triton).
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www.nineplanets.org/pluto.html
www.nineplanets.org/pluto.html
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