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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.8115986071 Bohr Radius | to common length units |
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8115986071 Bohr | = 0.42947931610936 meters (m) |
8115986071 Bohr | = 0.00042947931610936 kilometers (km) |
8115986071 Bohr | = 42.947931610936 centimeters (cm) |
8115986071 Bohr | = 1.4090528743745 feet (ft) |
8115986071 Bohr | = 16.908634492494 inches (in) |
8115986071 Bohr | = 0.46968429145818 yards (yd) |
8115986071 Bohr | = 0.00026686607469215 miles (mi) |
8115986071 Bohr | = 4.5394706279395E-17 light years (ly) |
8115986071 Bohr | = 1623.2291157808 pixels (PX) |
8115986071 Bohr | = 2.6842457256835E+34 planck length (pl) |