| 单词 | double star |
| 释义 | double starSEE SYNONYMS FOR double star ON THESAURUS.COM noun Astronomy.two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star ), or those that are relatively close together and comprise a single physical system (physical double star ). Compare binary star. Origin of double starFirst recorded in 1775–85 Words nearby double stardoublespeak, double spread, double stain, double standard, double standard of sexual behavior, double star, double steal, double stop, double sugar, double-system sound recording, doublet Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for double starBritish Dictionary definitions for double stardouble star nountwo stars, appearing close together when viewed through a telescope; either physically associated (binary star) or not associated (optical double star)See also binary star, optical double star Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for double stardouble star See binary star. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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