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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+
The Bohr radius (a0 or rBohr) is a physical constant, approximately equal to the most probable distance between the proton and electron in a hydrogen atom in its ground state. It is named after Niels Bohr, due to its role in the Bohr model of an atom. Its value is 5.2917721067×10^−11 m.
In relation to the base unit of [length] => (meters), 1 Astronomical Unit (au) is equal to 149597870700 meters, while 1 Bohr Radius (Bohr) = 5.29177E-11 meters.| 4400 Astronomical Unit | to common length units |
|---|---|
| 4400 au | = 658230631080000 meters (m) |
| 4400 au | = 658230631080 kilometers (km) |
| 4400 au | = 6.5823063108E+16 centimeters (cm) |
| 4400 au | = 2.1595493145669E+15 feet (ft) |
| 4400 au | = 2.5914591774803E+16 inches (in) |
| 4400 au | = 7.1984977152231E+14 yards (yd) |
| 4400 au | = 409005552001.31 miles (mi) |
| 4400 au | = 0.069573050531656 light years (ly) |
| 4400 au | = 2.4878011238049E+18 pixels (PX) |
| 4400 au | = 4.11394144425E+49 planck length (pl) |