English

Noun

parallax second ‎(plural parallax seconds)

1. A unit of length, used in astronomy, defined as the distance from the Earth of an object that exhibits a parallax of 1 arcsecond. It is approximately equal to 3.08568025 × 10¹³kilometers, or 3.2616 light-years.

Synonyms

• parsec
• psc (abbreviation)
• pc (symbol)

Translations