Quaoar

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noun Qua·oar \ˈkwä(-ə)-ˌwär\

Definition of Quaoar

astronomy

  1. :  a probable dwarf planet that orbits far beyond the orbit of Neptune with a mean distance from the sun of about 43.4 astronomical units (4.03 billion miles) and a diameter of approximately 890 miles (1430 kilometers) Discovered by Brown and his colleagues in 2002, Quaoar took center stage at a session of the planetary science meeting in Puerto Rico. — Ron Cowen, Science News, 16 Jan. 2010 Quaoar is believed to qualify as a dwarf planet under the current definition of that term, but precise identification of its characteristics is made difficult by its distance from the Earth.

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2002

First Known Use of quaoar

2002


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