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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.489800 Astronomical Unit | to common length units |
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489800 au | = 73273037068860000 meters (m) |
489800 au | = 73273037068860 kilometers (km) |
489800 au | = 7.327303706886E+18 centimeters (cm) |
489800 au | = 2.4039710324429E+17 feet (ft) |
489800 au | = 2.8847652389315E+18 inches (in) |
489800 au | = 8.0132367748097E+16 yards (yd) |
489800 au | = 45529754402328 miles (mi) |
489800 au | = 7.7447454887285 light years (ly) |
489800 au | = 2.7693749782719E+20 pixels (PX) |
489800 au | = 4.5795648168038E+51 planck length (pl) |