Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
astronomer
|
| gptkbp:causedBy |
intergalactic neutral hydrogen
|
| gptkbp:composedOf |
series of absorption lines
|
| gptkbp:discoveredIn |
1970s
|
| https://www.w3.org/2000/01/rdf-schema#label |
Lyman-alpha forest
|
| gptkbp:namedAfter |
gptkb:Lyman-alpha_transition
|
| gptkbp:observedBy |
quasar spectra
|
| gptkbp:relatedTo |
gptkb:cosmology
redshift quasars |
| gptkbp:usedFor |
studying intergalactic medium
measuring cosmological parameters tracing large-scale structure |
| gptkbp:wavelengthRange |
121.6 nm
|
| gptkbp:bfsParent |
gptkb:Sandage–Loeb_test
gptkb:Lyman-alpha_emissions |
| gptkbp:bfsLayer |
7
|