Astronomy View all facts Glossary Help |
| abstraction > mathematical concept > number > constant > fundamental physical constant > atomic constant > Bohr radius |
| Bohr radius comparison table | |||||||||||
| Subject | is named after | has proposal date | has uncertainty | has definition | has equation | has value | has symbol | is a kind of | has proposer | is an instance of | is a unit of |
|---|---|---|---|---|---|---|---|---|---|---|---|
| atomic constant | changes in value are due solely to an increase in measurement accuracy or convention | fundamental physical constant | |||||||||
| length unit | unit | length | |||||||||
| radius | length | ||||||||||
| Bohr radius | Niels Bohr | 1928 | 0.0000000019 × 10-10 m | A unit of length based on the radius of the first Bohr orbit of hydrogen 1. | ![]() | 0.5291772083 × 10-10 m | a0 | Hartree | radius | length |
Next atomic constant: classical electron radius Up: atomic constant, length unit, radius Previous atomic constant: weak mixing angle