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optical double in French

optical double in French is étoile double optique.

optical double in French

étoile double optique
noun
(star) A star that appears as a double due to an optical illusion; in reality, the stars may be far apart from each other.
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What is "optical double" in French?

"optical double" in French is étoile double optique.

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Translations from WikDict, CC BY-SA · example sentences from Tatoeba, CC BY 2.0 FR.