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The stunning successes and discoveries made there using the world's largest telescopes, the 100-inch Hooker Telescope and 200-inch Hale Telescope, spurred the move to ever higher sites for the new generation of observatories and telescopes after World War II, along with a worldwide search for locations which had the best astronomical seeing.
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]
Multiple mirror telescopes that are on the same mount and can form a single combined image are ranked by their equivalent aperture. Fixed altitude telescopes (e.g. HET) are also ranked by their equivalent aperture. All telescopes with an effective aperture of at least 3.00 metres (118 in) at visible or near-infrared wavelengths are included.
ESO telescopes Name Short Size Type Location Year ESO 3.6 m telescope – hosting HARPS: ESO 3.6m: 3.57 m: optical and infrared: La Silla: 1977 MPG/ESO 2.2 m telescope: MPG: 2.20 m: optical and infrared: La Silla: 1984 New Technology Telescope: NTT: 3.58 m: optical and infrared: La Silla: 1989 Very Large Telescope: VLT: 4 × 8.2 m 4 × 1.8 m ...
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.
The observatory is a 1-meter Coudé telescope with a field of view of 0.7 degrees, supported by an English cross-axial mount inside a dome 12.5-meters in diameter. Its main purposes are: to be the optical ground station of the Artemis telecommunications satellite (the project from which the telescope takes its name)
A PC World review of the original beta concluded that WorldWide Telescope "has a few shortcomings" but "is a phenomenal resource for enthusiasts, students, and teachers." [21] It also believed the product to be "far beyond Google's current offerings." [22]
World's largest radio telescope at decametre wavelengths (max. collective area 150,000 m²). Giant Ukrainian Radio Telescope (GURT) Volokhiv Yar, Kharkiv, Ukraine 8–80 MHz Low-frequency radio telescope of new generation. Construction is in progress, separate 25-element subarrays are used for observations of Sun, Jupiter, pulsars. Lovell Telescope