Acronym of PC

( Parsec ) Parsec (symbol: pc) is one of units for measuring distance in astronomy. A parsec is equal to 30, the 9 trillion kilometers (19٫2 trillion miles) and is the equivalent of 3. the 26 light years.

parsec is the distance that distance, parallax, Central Sun and a planet relative to a celestial body other like stars against a second arc to be seen. For samples; the distance from which the distance, the radius of the orbit of the Earth is equal to one astronomical units (1AU) is equal to a second arc to be seen. A parsec is equal to 3. the 26 light years.

name parsec of the coloring parts of the two words parallax (parallax) and the arc second (milliseconds of Arc) is formed.

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