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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+
In relation to the base unit of [length] => (meters), 1 Light Hours (lh) is equal to 1079000000000 meters, while 1 Astronomical Unit (au) = 149597870700 meters.| 51 Light Hours | to common length units |
|---|---|
| 51 lh | = 55029000000000 meters (m) |
| 51 lh | = 55029000000 kilometers (km) |
| 51 lh | = 5.5029E+15 centimeters (cm) |
| 51 lh | = 1.8054133858268E+14 feet (ft) |
| 51 lh | = 2.1664960629921E+15 inches (in) |
| 51 lh | = 60180446194226 yards (yd) |
| 51 lh | = 34193435337.628 miles (mi) |
| 51 lh | = 0.0058164041856041 light years (ly) |
| 51 lh | = 2.0798364824991E+17 pixels (PX) |
| 51 lh | = 3.4393125E+48 planck length (pl) |