# parsec

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## par·sec

(pär′sĕk′)
n.
A unit of astronomical length based on the distance from Earth at which stellar parallax is one second of arc and equal to 3.258 light-years, 3.086 × 1013 kilometers, or 1.918 × 1013 miles.

## parsec

(ˈpɑːˌsɛk)
n
(Units) a unit of astronomical distance equal to the distance from earth at which stellar parallax would be 1 second of arc; equivalent to 3.0857 × 1016 m or 3.262 light years
[C20: from parallax + second2]

## par•sec

(ˈpɑrˌsɛk)

n.
a unit of distance equal to 206,265 times the distance from the earth to the sun, or 3.26 light years.
[1910–15; par (allax) + sec (ond)2]

## par·sec

(pär′sĕk′)
A unit of astronomical length equal to 3.26 light-years. It is based on the distance from Earth at which a star would have a parallax of one second of arc.

## parsec

1. (pc) The distance at which 1 au would measure 1 sec of arc, equal to 19.16 trillion mi (30.857 trillion km) or 206,265 au or 3.26 ly (1).
2. (pc) A unit of length used for measuring astronomical distances. 1 parsec = 3.26 light years.
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 parsec - a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc; equivalent to 3.262 light yearssecparastronomy unit - a linear unit used for astronomical distances
Translations
Parsec

## parsec

[ˈpɑːsek] N
References in periodicals archive ?
It is a time when he has yet to clear the Kessel Run in under 12 parsecs and possibly before he owed something from just everyone he has done business with.
It's the ship that made the Kessel Run in less than 12 parsecs.
He told his 27,000 Instagram followers: "Just managed the Kessel Run in less than 12 parsecs.
Our Galaxy seems to be about 30,000 parsecs (one parsec = 3.
This ruler has allowed the researchers to measure the distance back to an epoch when the universe was 63 percent of its current size, at 2,094 million parsecs plus or minus 34 million parsecs, a precision of 1.
The absolute magnitude is defined as the apparent magnitude measured at 10 parsecs from the source.
Thus, if our Sun were 10 parsecs away from us, it would seem to have a magnitude of 4.
16) incorrectly converted the recessional velocity of 10,000 km/s to a distance of 130 million light-years; it's 130 million parsecs (1 parsec = 3.
10 ( ANI ): The Herschel Space Observatory has revealed that the star forming sites across the Milky Way are riddled with filaments: tube-like structures of gas and dust that span tens of parsecs [1 parsec = 3.

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