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Parsec - Wikipedia, the free encyclopedia · Astronomy

The parsec (symbol pc) is a unit of length used in astronomy. The length of the parsec is based on the method of trigonometric parallax, one of the oldest ...

Web definitions for parsec
	206265 AU = 3.26 light year patera www.quicksolve.com.au/nine/nineplanets/help.html - Definition in context

What is a Parsec? · Research

A parsec is calculated using the parallax of 1 arc second, hence the shorter term parsec. To understand what this means it will be helpful to define the ... www.wisegeek.com/what-is-a-parsec.htm - 22k - Cached - Similar pages

parsec: Definition and Much More from Answers.com

parsec ( ) 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. www.answers.com/topic/parsec - 85k - Cached - Similar pages

Parsec, Parsec definition, Parsec Enterprises, Sam Younghans

Parsec, Parsec definition, Parsec Enterprises, Sam Younghans. www.parsec-santa.com/about.html - 23k - Cached - Similar pages

parsec definition - Dictionary - MSN Encarta

A parsec is the distance from which the Earth's distance from the Sun would subtend one second of arc. Symbol pc. [Early 20th century. ...
encarta.msn.com/dictionary_1861723921/parsec.html - 54k - Cached - Similar pages