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View synonyms for double star
double star
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.
double star
noun
- two 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
double star
- See binary star
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Word History and Origins
Origin of double star1
First recorded in 1775–85
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