optical double

English

Noun

optical double (plural optical doubles)

1. (astronomy) A star that appears as a double due to an optical illusion; in reality, the stars may be far apart from each other.

Translations

star that appears as a double due to an optical illusion

• French: étoile double optique (fr) f
• Irish: réalta dhúbailte optúil f
• Japanese: 見かけの二重星 (mikake no nijūsei)

See also

• visual binary