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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.
In relation to the base unit of [length] => (meters), 1 Light Hours (lh) is equal to 1079000000000 meters, while 1 Bohr Radius (Bohr) = 5.29177E-11 meters.| 4120000000 Light Hours | to common length units |
|---|---|
| 4120000000 lh | = 4.44548E+21 meters (m) |
| 4120000000 lh | = 4.44548E+18 kilometers (km) |
| 4120000000 lh | = 4.44548E+23 centimeters (cm) |
| 4120000000 lh | = 1.4584908136483E+22 feet (ft) |
| 4120000000 lh | = 1.750188976378E+23 inches (in) |
| 4120000000 lh | = 4.8616360454943E+21 yards (yd) |
| 4120000000 lh | = 2.7622932076672E+18 miles (mi) |
| 4120000000 lh | = 469874.22048409 light years (ly) |
| 4120000000 lh | = 1.6801816289993E+25 pixels (PX) |
| 4120000000 lh | = 2.778425E+56 planck length (pl) |