Meaning Of The Word Optical double (star)

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  4. Optical double (star)

What's the definition of Optical double (star)? Find Optical double (star) meanings, definitions and more at the Real Dictionary online.

Optical double (star) Meaning

Optical double (star) Definition
Optical double (star) Definition

What's The Definition Of Optical double (star)?

optical double (star) in American English
double star (sense 2)

optical double star in American English
noun

optical double star in British English
noun: two stars that appear close together when viewed through a telescope but are not physically associated and are often separated by a great distance

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