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单词 double star
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Examples ofdouble star

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The system comprises a closedoublestarwith angular separation of presently 1.8 between the components.
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This configuration is similar to the opticaldoublestar.
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This is adoublestarsystem and may be a binary.
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It has one bright member, adoublestarwith a blue-white hued primary of magnitude 5.6 and a secondary of magnitude 6.9.
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Based ondoublestarobservations, seeing is typically on the order of one second of arc.
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Its publication was a stimulus todoublestarobservation.
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This is adoublestarand possible binary system.
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Acamar is adoublestarwith some evidence suggesting it is part of a multiple star system.
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Cancri can be resolved as adoublestarin small telescopes.
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Galileo then produced a detailed record of thedoublestar.
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This is adoublestar, with components of magnitudes 4.0 and 7.4.
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At the conclusion of hisdoublestarwork in 1905, he had discovered and measured 1,327 close binaries.
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It is adoublestarwith a magnitude 9.3 companion at an angular separation of 0.6 arcseconds along a position angle of 257.
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The term "doublestar" is often used synonymously with "binary star"; however,doublestarcan also mean "opticaldoublestar".
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This compartmentalization sets a limit to the decision whether an image came from a single or adoublestar(resolution).
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Adoublestarcan be revealed as optical by means of differences in their parallax measurements, proper motions, or radial velocities.
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However, in each case the companion star could not be resolved using a telescope, and so thesedouble-starsystems were designated spectroscopic binaries.
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This is adoublestarwith a magnitude 6.86 companion at an angular separation of 0.72 arcsecond and a position angle of 148.
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From the southern hemisphere the pair can be seen as a naked eyedoublestarin very dark skies.
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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.

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更新时间:2024/12/28 0:27:51