Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:observatory
|
| gptkbp:bfsLayer |
4
|
| gptkbp:bfsParent |
gptkb:Hubble's_Imaging_Spectrograph
gptkb:Hubble's_Space_Telescope_Imaging_Spectrograph |
| gptkbp:application |
observational astronomy
|
| gptkbp:benefits |
compact design
obstruction of light |
| gptkbp:characteristics |
two mirrors
Cassegrain configuration |
| gptkbp:design |
maximize light collection
|
| gptkbp:features |
secondary mirror
|
| gptkbp:first_introduced |
17th century
|
| gptkbp:focus_area |
longer than the physical length
|
| gptkbp:has_variants |
gptkb:Maksutov-Cassegrain
gptkb:Schmidt-Cassegrain |
| https://www.w3.org/2000/01/rdf-schema#label |
Cassegrain
|
| gptkbp:invention |
gptkb:Maurice_Cassegrain
|
| gptkbp:is_often_used_in |
large telescopes
|
| gptkbp:is_popular_in |
amateur astronomers
|
| gptkbp:notable_models |
gptkb:Gran_Telescopio_Canarias
gptkb:Very_Large_Telescope gptkb:Hubble_Space_Telescope gptkb:Keck_Observatory gptkb:Palomar_Observatory |
| gptkbp:type |
reflecting telescope
|
| gptkbp:used_in |
gptkb:observatory
|