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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.
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 Bohr Radius (Bohr) is equal to 5.29177E-11 meters, while 1 Astronomical Unit (au) = 149597870700 meters.| 7820000000 Bohr Radius | to common length units |
|---|---|
| 7820000000 Bohr | = 0.413816414 meters (m) |
| 7820000000 Bohr | = 0.000413816414 kilometers (km) |
| 7820000000 Bohr | = 41.3816414 centimeters (cm) |
| 7820000000 Bohr | = 1.3576654002625 feet (ft) |
| 7820000000 Bohr | = 16.29198480315 inches (in) |
| 7820000000 Bohr | = 0.45255513342082 yards (yd) |
| 7820000000 Bohr | = 0.00025713359853456 miles (mi) |
| 7820000000 Bohr | = 4.373918338442E-17 light years (ly) |
| 7820000000 Bohr | = 1564.0307381456 pixels (PX) |
| 7820000000 Bohr | = 2.5863525875E+34 planck length (pl) |