Statements (51)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
astronomer
|
| gptkbp:advantage |
no chromatic aberration
requires precise mirror alignment |
| gptkbp:alsoKnownAs |
gptkb:Reflector
|
| gptkbp:canBe |
gptkb:robot
astronomer solar telescope ground-based telescope Dobsonian mounted X-ray telescope (with modifications) alt-azimuth mounted amateur telescope equatorially mounted professional telescope radio telescope (with modifications) |
| gptkbp:component |
primary mirror
secondary mirror |
| gptkbp:establishedIn |
1668
|
| gptkbp:fieldOfView |
narrow
wide (with correctors) |
| gptkbp:focuses |
light rays
|
| https://www.w3.org/2000/01/rdf-schema#label |
Reflecting telescopes
|
| gptkbp:inventedBy |
gptkb:Isaac_Newton
|
| gptkbp:maintenance |
mirror cleaning
mirror recoating |
| gptkbp:material |
gptkb:glass
metal |
| gptkbp:mayInclude |
parabolic mirror
spherical mirror hyperbolic mirror |
| gptkbp:notableCollection |
visible light
ultraviolet light infrared light |
| gptkbp:replacedBy |
refracting telescopes (in large observatories)
|
| gptkbp:shape |
spherical
concave hyperbolic parabolic |
| gptkbp:type |
gptkb:Newtonian_reflector
gptkb:Cassegrain_reflector Gregorian reflector |
| gptkbp:usedBy |
astronomer
amateur astronomers |
| gptkbp:usedFor |
gptkb:astronomy
astrophotography |
| gptkbp:usedIn |
gptkb:Keck_Observatory
gptkb:Very_Large_Telescope gptkb:Hubble_Space_Telescope |
| gptkbp:uses |
mirror
|
| gptkbp:bfsParent |
gptkb:Conics
|
| gptkbp:bfsLayer |
7
|