Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:radiation_therapy
|
| gptkbp:absorbedBy |
neutral hydrogen
|
| gptkbp:affiliatedWith |
gptkb:Lyman_series
|
| gptkbp:discoveredBy |
gptkb:Theodore_Lyman
|
| gptkbp:emits |
gptkb:hydrogen_atom
|
| gptkbp:importantFor |
study of early universe
mapping hydrogen distribution |
| gptkbp:observedBy |
quasars
interstellar medium star-forming galaxies |
| gptkbp:powerSource |
10.2 eV
|
| gptkbp:spectralLine |
ultraviolet
|
| gptkbp:symbol |
Ly-α
|
| gptkbp:transition |
n=2 to n=1
|
| gptkbp:usedIn |
gptkb:astronomy
gptkb:cosmology plasma diagnostics |
| gptkbp:wavelengthRange |
121.6 nm
|
| gptkbp:bfsParent |
gptkb:Lyman_Alpha_Photometer
|
| gptkbp:bfsLayer |
7
|
| http://www.w3.org/2000/01/rdf-schema#label |
Lyman-alpha radiation
|