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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.3890 Astronomical Unit | to common length units |
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3890 au | = 581935717023000 meters (m) |
3890 au | = 581935717023 kilometers (km) |
3890 au | = 5.81935717023E+16 centimeters (cm) |
3890 au | = 1.9092379167421E+15 feet (ft) |
3890 au | = 2.2910855000906E+16 inches (in) |
3890 au | = 6.3641263891404E+14 yards (yd) |
3890 au | = 361598090292.07 miles (mi) |
3890 au | = 0.06150890149276 light years (ly) |
3890 au | = 2.199442357182E+18 pixels (PX) |
3890 au | = 3.6370982313938E+49 planck length (pl) |