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puzzylona كسارة الفك, Parsec Wikipedia. The parsec (symbol pc) is a unit of length used to measure the large distances to astronomical objects outside the Solar parsec is approximately equal to 31 trillion kilometres ( × 10 13 km), 19 trillion miles ( × 10 13 mi), or 206,265 astronomical units (au), and equates to about parsec is obtained by the ...
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