单词 | apastron |
释义 | apastron[ uh-pas-truhn, -tron ] / əˈpæs trən, -trɒn / noun, plural ap·as·tra [uh-pas-truh]. /əˈpæs trə/. Astronomy.the point at which the stars of a binary system are farthest apart (opposed to periastron). Origin of apastron<New Latin <Greek ap-ap-2 + ástron star, constellation; on the model of apogee Words nearby apastronapartment hotel, apartment house, apartmentize, Passage to India, A, apast, apastron, apatetic, apathetic, apathism, apathy, apatite Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Scientific definitions for apastronapastron [ ə-păs′trən ] The point at which an object, such as a planet or comet, is farthest from the center of mass of the star it is orbiting. Compare periastron. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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