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Telescope History Archived 2021-02-14 at the Wayback Machine, NASA Official Website, accessed 02/09/2019; History of the Telescope, accessed 02/09/2019; List of astronomical observatories and telescopes, Encyclopedia Britannica, 02/09/2019
The Hubble Space Telescope Comparison between many space telescopes by diameter Overview of active and future telescopes (as of January 2021) This list of space telescopes ( astronomical space observatories ) is grouped by major frequency ranges : gamma ray , x-ray , ultraviolet , visible , infrared , microwave , and radio .
The list includes both single dishes and interferometric arrays. The list is sorted by region, then by name; unnamed telescopes are in reverse size order at the end of the list. The first radio telescope was invented in 1932, when Karl Jansky at Bell Telephone Laboratories observed radiation coming from the Milky Way.
List of largest optical telescopes historically; List of largest optical telescopes in the 19th century; List of largest optical telescopes in the 20th century; List of the largest optical telescopes in North America; List of largest optical telescopes in the 18th century; List of largest optical telescopes in the British Isles; List of ...
List of largest optical reflecting telescopes – List of large optical telescopes; List of largest optical refracting telescopes; List of space telescopes; List of solar telescopes; List of telescope types; List of largest optical telescopes historically; List of largest optical telescopes in the 20th century
Q (?) — (for example: galaxy Q 6188 at 0:48.6 / -12:44 in Cetus) (mentioned on charts 261 / 262 in Uranometria 2000.0 Volume 2, 1987 edition) (according to Wolfgang Steinicke and Richard Jakiel of the book Galaxies and How to Observe Them, this galaxy (Q 6188) is also catalogued as Mrk 960 and PGC 2845) QES — QATAR Exoplanet Survey
Many modern telescopes and observatories are located in space to observe astronomical objects in wavelengths of the electromagnetic spectrum that cannot penetrate the Earth's atmosphere (such as ultraviolet radiation, X-rays, and gamma rays) and are thus impossible to observe using ground-based telescopes. [1]
This is a list of large optical telescopes. For telescopes larger than 3 meters in aperture see List of largest optical reflecting telescopes . This list combines large or expensive reflecting telescopes from any era, as what constitutes famous reflector has changed over time.