| 单词 | quaoar |
| 释义 | Quaoar[ kwä′ə-wär′ ] A Kuiper belt object that, with a diameter of about 1,288 km (800 mi), is the largest such object so far discovered. Quaoar is approximately the size of Charon, Pluto's moon, and has a nearly circular orbit at a distance of some 1.6 billion km (1 billion mi) beyond that of Pluto. Words nearby Quaoarquantum theory, quantum tunneling, Quantz, Quanzhou, Quao, Quaoar, Quapaw, Qu'Appelle, quaquaversal, quar., quarantine The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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