Statements (45)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Optical instruments
|
| gptkbp:firstHeld |
Early 17th century
|
| gptkbp:hasCitations |
Maintenance requirements
Light pollution Atmospheric distortion Size and weight Cost of construction |
| gptkbp:hasProductLine |
Eyepiece
Mirror Mounting system Optical lens Finder scope |
| https://www.w3.org/2000/01/rdf-schema#label |
Telescopes
|
| gptkbp:inventor |
gptkb:Hans_Lippershey
gptkb:Galileo_Galilei |
| gptkbp:isCounteredBy |
Research institutions
Educational institutions Amateur astronomers Space agencies Professional astronomers |
| gptkbp:isUsedFor |
gptkb:Digital_cameras
Filters Galaxies Planets Stars Spectroscopy Exoplanets Nebulae Space telescopes Astrophotography Planetary observation Adaptive optics Ground-based telescopes Computer control systems Spectrographs |
| gptkbp:notableEvent |
gptkb:James_Webb_Space_Telescope
gptkb:Hubble_Space_Telescope gptkb:Keck_Observatory Palomar Observatory Arecibo Observatory |
| gptkbp:type |
gptkb:Refracting_telescope
gptkb:Catadioptric_telescope Reflecting telescope |
| gptkbp:usedFor |
Astronomy
Observing celestial objects |