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blue straggler. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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English
Noun
blue straggler (plural blue stragglers)
- (astronomy) An unusually hot and blue star in globular clusters.
2015, David Stevenson, The Complex Lives of Star Clusters, Springer, →ISBN, page 168:This boosted the mass of the companion, turning it into a blue straggler, while reducing the companion to a sub-dwarf B star.
Translations
unusually hot and blue star