parsec
A parsec is the distance from the Sun to an astronomical object that has a parallax angle of one arcsecond (not to scale)
General information
Unit systemastronomical units
Unit oflength/distance
Symbolpc
Conversions
1 pc in …… is equal to …
metric (SI) units3.0857×10 m
≈ 31 petametres
imperial US units1.9174×10 mi
astronomical units206,265 au
3.26156 ly

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