What do you mean by 1 parsec?

1.	What do you mean by 1 parsec?
Answer» Parsec is an astronomical unit of measurement which is commonly used in galactic or extragalactic scales.It is defined as the distance of an astronomical object from the Sun which has a parallax of 1 arcsecond.<br>It is the largest unit of distance equals to 3.08 light year and defined as the distance when 1 second of angle is made by an arc of lenght one A.U .

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