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a unit of distance used in astronomy, equal to about 3.26 light years (3.086 × 10^13 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.

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9y ago

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Why do you use parsec?

astronomy The parsec is a popular measure because it is an easy measurement to make. One only has to make visual sighting or photographic measurements and determine angel of parallax. For a complete discussion on the definition of parsec see link.


What are three astronomical units of measure?

-- the Astronomical Unit -- the Light Year -- the Parsec -- the Magnitude


How far is a paesec?

A parsec is a measure of distance in space equal to about 3.26 light years.


How can you measure huge distances in the universe?

The Parsec at 3.26 lightyears ; see related link below .


Unit to measure distance?

Me, I'm torn between the Smoot and the Parsec


In what field of science is a parsec used?

Astronomy. It is a measure of distance in space and is equal to 19.17 trillion miles.


Is there a difference between a parsec and a secpar?

Yes. A "parsec" is the abbreviation for a parallax-second of arc, a measure of distance. I have no idea what a "secpar" is, but it might be the abbreviation for some sort of government official, "Secretary of Parking" perhaps.


Is parsec a linear distance measure?

Yes. The parsec is a unit of distance, or length, equal to about 3.26 light-years, or 3.09 x 1016 meters.


How big is one parsec?

3.08568025 × 1013 kilometers 3.08568025 × 1013 kilometers


What is longer than a Parsec?

1 kilo parsec


What are the distances represented by a light year an astronomical unit and parsec?

A light year is the distance that light will travel in one year. A parsec is short for parallax second, which is also a measure of distance.Answer 1 Parsec = 3.26163626 light years 1 light year = 0.30659458 Parsecs


Light years are used to measure distance between stars because?

. . they are a convenient unit. Another convenient unit is the parsec.