Statements (15)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:surname
telescope design |
| gptkbp:feature |
concave primary mirror
convex secondary mirror |
| gptkbp:focusArea |
folded optical path
|
| gptkbp:hasVariant |
gptkb:Dall-Kirkham_telescope
gptkb:Schmidt–Cassegrain_telescope gptkb:Ritchey–Chrétien_telescope |
| https://www.w3.org/2000/01/rdf-schema#label |
Cassegrain
|
| gptkbp:namedAfter |
gptkb:Laurent_Cassegrain
|
| gptkbp:proposedBy |
1672
|
| gptkbp:usedIn |
gptkb:astronomy
reflecting telescopes |
| gptkbp:bfsParent |
gptkb:Infrared_Space_Observatory
|
| gptkbp:bfsLayer |
6
|