Eris, artwork
Eris. Computer artwork of the dwarf planet Eris, formerly known as 2003 UB313 or Xena. Eris is the largest known dwarf planet. A dwarf planet is defined as an object large enough to be spherical due to its gravity, and with an independent orbit around the sun (ie. not a satellite of a planet). A true planet has to dominate its orbit around the Sun. Eris fails because it is one of many objects in the outer solar system.
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Rights Managed