Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
astronomical concept
|
| gptkbp:boundaryDefinedBy |
balance between ionization and recombination
|
| gptkbp:composedOf |
ionized hydrogen (H II)
|
| gptkbp:contains |
gptkb:planetary_nebula
|
| gptkbp:describes |
region of ionized hydrogen
|
| gptkbp:firstDescribed |
1939
|
| gptkbp:form |
gptkb:Strömgren_radius
|
| https://www.w3.org/2000/01/rdf-schema#label |
Strömgren sphere
|
| gptkbp:importantFor |
understanding H II regions
|
| gptkbp:ionizedBy |
radiation therapy
|
| gptkbp:namedAfter |
gptkb:Bengt_Strömgren
|
| gptkbp:occursAround |
hot star
|
| gptkbp:relatedTo |
astrophysics
interstellar medium star formation |
| gptkbp:surroundedBy |
neutral hydrogen (H I)
|
| gptkbp:bfsParent |
gptkb:Bengt_Strömgren
|
| gptkbp:bfsLayer |
6
|