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parsec

Saltos de línea: par¦sec
Pronunciación: /ˈpɑːsɛk
 
/

Definición de parsec en inglés:

sustantivo

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

Origen

early 20th century: blend of parallax and second2.

Definición de parsec en:

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