Definition of parsec in English:


Translate parsec into Spanish


(also pc)
  • A unit of distance used in astronomy, equal to about 3.26 light years (3.086 × 10¹³ kilometers). One parsec corresponds to the distance at which the mean radius of the earth's orbit subtends an angle of one second of arc.

    ‘But cosmologists are so comfortable with millions and billions that none of them feel the urge to invent a unit much beyond the light-year or the parsec.’
    • ‘I mean, all the ones that I've looked at so far are within 100 parsecs of 300 light years of the Sun.’
    • ‘For reference, one parsec is around three light years.’
    • ‘Their absolute magnitude is that of their appearance at 10 parsecs, or 32.6 light-years.’
    • ‘The fact remained that the Rage fleet was within a parsec of Nova.’



/ˈpärˌsek/ /ˈpɑrˌsɛk/


Early 20th century blend of parallax and second.