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A parsec (symbol: pc) is a unit of length used to measure large distances to objects outside our Solar System. One parsec is the distance at which one astronomical unit sub ..more definition+
In relation to the base unit of [length] => (meters), 1 Parsecs (pc) is equal to 3.0856775814914E+16 meters, while 1 Zeptometers (zm) = 1.0E-21 meters.21 Parsecs | to common length units |
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21 pc | = 6.4799229211319E+17 meters (m) |
21 pc | = 6.4799229211319E+14 kilometers (km) |
21 pc | = 6.4799229211319E+19 centimeters (cm) |
21 pc | = 2.1259589636259E+18 feet (ft) |
21 pc | = 2.5511507563511E+19 inches (in) |
21 pc | = 7.0865298787531E+17 yards (yd) |
21 pc | = 4.0264374311097E+14 miles (mi) |
21 pc | = 68.490888078764 light years (ly) |
21 pc | = 2.4491050346458E+21 pixels (PX) |
21 pc | = 4.0499518257074E+52 planck length (pl) |