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visual binary

American  

noun

Astronomy.
  1. a binary star having components that are sufficiently separated to be resolved by a telescope.


visual binary Scientific  
/ vĭzho̅o̅-əl /
  1. See under binary star


Example Sentences

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If a visual binary system were to have two equal-mass stars, how would they be located relative to the center of the mass of the system?

From Textbooks • Oct. 13, 2016

The two components that make up this visual binary, known as Mizar A and Mizar B, are both spectroscopic binaries.

From Textbooks • Oct. 13, 2016

A binary star system in which both of the stars can be seen with a telescope is called a visual binary.

From Textbooks • Oct. 13, 2016

Two stars are in a visual binary star system that we see face on.

From Textbooks • Oct. 13, 2016

Alpha Centauri—the nearest star to the earth—is a visual binary, the component bodies revolving around each other in a period of about eighty-one years.

From Astronomy of To-day A Popular Introduction in Non-Technical Language by Dolmage, Cecil Goodrich Julius

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