英语词汇“optical double star”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	optical double star
释义	optical double star optical double star n (Astronomy) two stars that appear close together when viewed through a telescope but are not physically associated and are often separated by a great distance. Compare binary star optical double star optical double star [′äp·tə·kəl ′dəb·əl ′stär] (astronomy) Two stars not formally a physical system but that appear to be a typical double star; a false binary star whose components happen to lie nearby in the same line of sight. ThesaurusSeedouble star
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