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The astronomical unit (symbol au, or ua) is a unit of length, roughly the distance from Earth to the Sun. However, that distance varies as Earth orbits the Sun, f ..more definition+
A variant of the point, equal to 0.3759 mm, or 1/72 of a French Royal inch (27.07 mm), or about 1/68 inch. Didot points are used in Europe. This unit is named after the French printer François Ambroise Didot (1730 - 1804) who defined the "point-based" typographical measurement system.
In relation to the base unit of [length] => (meters), 1 Astronomical Unit (au) is equal to 149597870700 meters, while 1 Didot Points (didot point) = 0.000375972222 meters.21850 Astronomical Unit | to common length units |
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21850 au | = 3268713474795000 meters (m) |
21850 au | = 3268713474795 kilometers (km) |
21850 au | = 3.268713474795E+17 centimeters (cm) |
21850 au | = 1.0724125573474E+16 feet (ft) |
21850 au | = 1.2868950688169E+17 inches (in) |
21850 au | = 3.5747085244915E+15 yards (yd) |
21850 au | = 2031084388915.6 miles (mi) |
21850 au | = 0.34549344411743 light years (ly) |
21850 au | = 1.2354194217076E+19 pixels (PX) |
21850 au | = 2.0429459217469E+50 planck length (pl) |