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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+
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 Seconds (ls) is equal to 299800000 meters, while 1 Bohr Radius (Bohr) = 5.29177E-11 meters.| 3942000000000 Light Seconds | to common length units |
|---|---|
| 3942000000000 ls | = 1.1818116E+21 meters (m) |
| 3942000000000 ls | = 1.1818116E+18 kilometers (km) |
| 3942000000000 ls | = 1.1818116E+23 centimeters (cm) |
| 3942000000000 ls | = 3.8773346456693E+21 feet (ft) |
| 3942000000000 ls | = 4.6528015748031E+22 inches (in) |
| 3942000000000 ls | = 1.2924448818898E+21 yards (yd) |
| 3942000000000 ls | = 7.3434368289191E+17 miles (mi) |
| 3942000000000 ls | = 124914.02600148 light years (ly) |
| 3942000000000 ls | = 4.4666900745436E+24 pixels (PX) |
| 3942000000000 ls | = 7.3863225E+55 planck length (pl) |