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单词 binary star
释义
binary star
noun[C]
uk
/ˈbaɪ.nər.i ˌstɑːr/us/ˈbaɪ.ner.i ˌstɑːr/
apairofstarsthatorbit(=followacurvedpatharound)each other, or one of apairofstarslike this:
Like otherbinarystars, the twoappearto beboundbygravity,orbitingaround each other.
Hookediscoveredin 1664 that Gamma Arietis was abinarystar.
More examples
  • When theycollide, they couldformastablebinarystar, ormergeinto asingle,rapidlyspinningwhitedwarf.
  • Paczynskioriginallymade hisnamestudyingbinarystars- twostarsthatorbiteach other.
  • If thestarsarecloseenough to belinkedthroughtheirgravitationalattractions, theyconstituteabinarystar.
  • Maybe they onlystartedmovingtogether morerecently, aftertradingpartnerswith anotherpairofbinarystars, aprocessknownasbinaryexchange.
  • They aretryingtofindout whatoursolarsystemmight havelookedlike if the Sun were abinarystar.
SMART Vocabulary: related words and phrases
Deep in thought
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  • considerate
  • contemplative
  • deep
  • deep in thoughtidiom
  • introspective
  • introspectively
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  • pensive
  • reflective
  • reflectively
  • ruminative
  • sunk
  • sunk in thoughtidiom
  • thoughtful
  • thoughtfulness
See more results »
(Definition ofbinary starfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

Examplesofbinary star

binary star
Disk material has been indirectly observed around one or both components of youngbinarystarsystems.
From theCambridge English Corpus
She specializes in cataclysmic variable stars, which arebinarystarsystems that periodically undergo energetic outbursts.
From
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In abinarystarhigh speeds could be possible due to orbital motion, and binaries appear to be colourful.
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One of the most common reasons for this is the presence of a binary companion star, so that the two together form abinarystar.
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It is believed to be abinarystarsystem.
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They are not abinarystar, in that they are not gravitationally linked, but they are close to each other as seen in the sky.
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Thebinarystarcompletes one orbit every 188 years.
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Light green rows indicate that the planet orbits one of the stars in abinarystarsystem.
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This is abinarystarsystem, with the two components orbiting each other over a period of 21 years at an eccentricity of 0.211.
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It is an eclipsingbinarystar, with a period of 2.3272 days.
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It is abinarystar; the secondary is of magnitude 7.4.
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Once suspected of being abinarystarwith a period of 175 days, current consensus is that it is single.
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The system is also abinarystarsystem made up of two stars and possibly a third.
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Although it appears to the naked eye to be a single star, it is actually abinarystarsystem.
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Recent estimates of 855, 840, and 815 pc were established viabinarystarmodelling and infrared color-magnitude diagram fitting, accordingly.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/binary-star##
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更新时间：2024/12/28 0:25:40