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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 light-second is a unit of length useful in astronomy, telecommunications and relativistic physics. It is defined as the distance that light travels in free space ..more definition+
In relation to the base unit of [length] => (meters), 1 Bohr Radius (Bohr) is equal to 5.29177E-11 meters, while 1 Light Seconds (ls) = 299800000 meters.| 1240000000000 Bohr Radius | to common length units |
|---|---|
| 1240000000000 Bohr | = 65.617948 meters (m) |
| 1240000000000 Bohr | = 0.065617948 kilometers (km) |
| 1240000000000 Bohr | = 6561.7948 centimeters (cm) |
| 1240000000000 Bohr | = 215.2819816273 feet (ft) |
| 1240000000000 Bohr | = 2583.3837795276 inches (in) |
| 1240000000000 Bohr | = 71.760660542432 yards (yd) |
| 1240000000000 Bohr | = 0.040773102580927 miles (mi) |
| 1240000000000 Bohr | = 6.9356249867879E-15 light years (ly) |
| 1240000000000 Bohr | = 248004.87407935 pixels (PX) |
| 1240000000000 Bohr | = 4.10112175E+36 planck length (pl) |