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The siriometer is a rarely used and an obsolete astronomical unit of length, defined to be equal to about one million astronomical units (au). One siriometer is approxim ..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 Siriometer (sir) is equal to 1.496E+17 meters, while 1 Bohr Radius (Bohr) = 5.29177E-11 meters.| 190000 Siriometer | to common length units |
|---|---|
| 190000 sir | = 2.8424E+22 meters (m) |
| 190000 sir | = 2.8424E+19 kilometers (km) |
| 190000 sir | = 2.8424E+24 centimeters (cm) |
| 190000 sir | = 9.3254593175853E+22 feet (ft) |
| 190000 sir | = 1.1190551181102E+24 inches (in) |
| 190000 sir | = 3.1084864391951E+22 yards (yd) |
| 190000 sir | = 1.7661854768154E+19 miles (mi) |
| 190000 sir | = 3004333.5799598 light years (ly) |
| 190000 sir | = 1.0742930487298E+26 pixels (PX) |
| 190000 sir | = 1.7765E+57 planck length (pl) |