Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
telescope design
|
| gptkbp:advantage |
reduced optical aberrations
|
| gptkbp:establishedIn |
early 20th century
|
| gptkbp:feature |
wide field of view
eliminates coma |
| https://www.w3.org/2000/01/rdf-schema#label |
Ritchey–Chrétien
|
| gptkbp:inventedBy |
gptkb:George_Willis_Ritchey
gptkb:Henri_Chrétien |
| gptkbp:namedAfter |
gptkb:George_Willis_Ritchey
gptkb:Henri_Chrétien |
| gptkbp:type |
astronomer
|
| gptkbp:usedIn |
gptkb:Keck_Telescope
gptkb:Very_Large_Telescope gptkb:Hubble_Space_Telescope |
| gptkbp:uses |
hyperbolic primary mirror
hyperbolic secondary mirror |
| gptkbp:bfsParent |
gptkb:du_Pont_Telescope
|
| gptkbp:bfsLayer |
4
|