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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.
A span is the distance measured by a human hand, from the tip of the thumb to the tip of the little finger. In ancient times, a span was considered to be half a cubit. Someti ..more definition+
In relation to the base unit of [length] => (meters), 1 Bohr Radius (Bohr) is equal to 5.29177E-11 meters, while 1 Spans (span) = 0.2286 meters.| 39250 Bohr Radius | to common length units |
|---|---|
| 39250 Bohr | = 2.077019725E-6 meters (m) |
| 39250 Bohr | = 2.077019725E-9 kilometers (km) |
| 39250 Bohr | = 0.0002077019725 centimeters (cm) |
| 39250 Bohr | = 6.8143691765092E-6 feet (ft) |
| 39250 Bohr | = 8.177243011811E-5 inches (in) |
| 39250 Bohr | = 2.2714563921697E-6 yards (yd) |
| 39250 Bohr | = 1.2906002228237E-9 miles (mi) |
| 39250 Bohr | = 2.1953490381566E-22 light years (ly) |
| 39250 Bohr | = 0.0078501542803344 pixels (PX) |
| 39250 Bohr | = 1.298137328125E+29 planck length (pl) |