• Thumbnail for Very Large Telescope
    The Very Large Telescope (VLT) is an astronomical facility operated since 1998 by the European Southern Observatory, located on Cerro Paranal in the Atacama...
    57 KB (5,671 words) - 15:52, 19 May 2025
  • Thumbnail for Very Large Array
    15, 2011). "Very Large Array telescope in public call for new name". BBC News. Retrieved March 24, 2015. Finley, Dave. "Iconic Telescope Renamed to Honor...
    22 KB (2,274 words) - 14:26, 27 May 2025
  • Thumbnail for Extremely Large Telescope
    The Extremely Large Telescope (ELT) is an astronomical observatory under construction. When completed, it will be the world's largest optical and near-infrared...
    51 KB (5,394 words) - 02:04, 20 May 2025
  • Thumbnail for Overwhelmingly Large Telescope
    Overwhelmingly Large Telescope (OWL) was a conceptual design by the European Southern Observatory (ESO) organisation for an extremely large telescope, which was...
    6 KB (578 words) - 05:03, 30 April 2025
  • Thumbnail for AMBER (Very Large Telescope)
    Recombiner, is an instrument mounted on the Very Large Telescope (VLT), combining the light of the three Unit Telescopes in the near-infrared of the VLT-Interferometer...
    5 KB (437 words) - 02:33, 19 May 2024
  • Thumbnail for Extremely large telescope
    An extremely large telescope (ELT) is an astronomical observatory featuring an optical telescope with an aperture for its primary mirror from 20 metres...
    15 KB (896 words) - 11:51, 3 June 2025
  • Thumbnail for PIONIER (Very Large Telescope)
    from four telescopes simultaneously and provide 0.002 arc seconds of angular resolution, the equivalent angular resolution of a 100 m telescope.[citation...
    2 KB (157 words) - 20:31, 3 September 2024
  • Thumbnail for GRAVITY (Very Large Telescope)
    interferometer of the Very Large Telescope (VLTI). It either combines the light of the four Unit Telescopes (UT) or the smaller four Auxiliary Telescopes. The instrument...
    9 KB (750 words) - 17:36, 21 October 2024
  • Thumbnail for European Southern Observatory
    advanced telescopes. These include the 3.6 m New Technology Telescope, an early pioneer in the use of active optics, and the Very Large Telescope (VLT),...
    61 KB (5,370 words) - 04:28, 8 March 2025
  • Thumbnail for List of largest optical reflecting telescopes
    telescope. The mirrors themselves can be larger than the aperture, and some telescopes may use aperture synthesis through interferometry. Telescopes designed...
    32 KB (1,344 words) - 15:32, 22 April 2025
  • Thumbnail for Paranal Observatory
    Observatory on Hawaii. The Very Large Telescope (VLT), the largest telescope on Paranal, is composed of four separate 8.2 m (320 in) telescopes. In addition, the...
    12 KB (1,145 words) - 15:13, 12 April 2025
  • Thumbnail for History of the telescope
    even larger telescopes, starting with the 10-metre (400 inch) Keck telescopes in 1993/1996, and a number of 8-metre telescopes including the ESO Very Large...
    75 KB (9,307 words) - 04:49, 24 April 2025
  • Thumbnail for Ritchey–Chrétien telescope
    examples are the Hubble Space Telescope, the Keck telescopes and the ESO Very Large Telescope. The Ritchey–Chrétien telescope was invented in the early 1910s...
    16 KB (2,153 words) - 18:56, 25 May 2025
  • Dupree, A. K.; Gilliland, R. L. (1998). "Spatially Resolved Hubble Space Telescope Spectra of the Chromosphere of alpha Orionis". Astronomical Journal. 116...
    32 KB (2,010 words) - 13:07, 28 April 2025
  • Thumbnail for Giant Magellan Telescope
    The Giant Magellan Telescope (GMT) is a ground-based, extremely large telescope currently under construction at Las Campanas Observatory in Chile's Atacama...
    38 KB (3,774 words) - 02:42, 30 May 2025
  • Thumbnail for Dobsonian telescope
    manufacture from readily available components to create a large, portable, low-cost telescope. The design is optimized for observing faint deep-sky objects...
    33 KB (3,819 words) - 18:25, 15 March 2025
  • Thumbnail for Astronomical interferometer
    interferometer or telescope array is a set of separate telescopes, mirror segments, or radio telescope antennas that work together as a single telescope to provide...
    26 KB (2,657 words) - 02:25, 13 June 2024
  • Thumbnail for Southern African Large Telescope
    The Southern African Large Telescope (SALT) is a 9.2-metre optical telescope designed mainly for spectroscopy. It consists of 91 hexagonal mirror segments...
    15 KB (1,723 words) - 10:58, 15 January 2025
  • Thumbnail for Telescope
    A telescope is a device used to observe distant objects by their emission, absorption, or reflection of electromagnetic radiation. Originally, it was...
    42 KB (3,970 words) - 17:55, 23 May 2025
  • Thumbnail for Thirty Meter Telescope
    The Thirty Meter Telescope (TMT) is a planned extremely large telescope (ELT) proposed to be built on Mauna Kea, on the island of Hawai'i. The TMT would...
    78 KB (7,656 words) - 09:53, 3 June 2025
  • Thumbnail for La Silla Observatory
    of light pollution and, like the Paranal Observatory—home to the Very Large Telescope—it has some of the darkest night skies on Earth. Following the decision...
    33 KB (3,255 words) - 14:04, 22 November 2024
  • Thumbnail for HD 181327
    No directly imaged exoplanets were detected in a search with the Very Large Telescope. The debris disk was first directly imaged in 2006 with Hubble NICMOS...
    14 KB (1,334 words) - 03:32, 19 May 2025
  • Thumbnail for Reflecting telescope
    aberration. Although reflecting telescopes produce other types of optical aberrations, it is a design that allows for very large diameter objectives. Almost...
    33 KB (3,948 words) - 15:45, 28 April 2025
  • Thumbnail for Anglo-Australian Telescope
    a close second to the Víctor M. Blanco Telescope from 1976 until 1998, when the first ESO Very Large Telescope (VLT) was opened. The AAT was credited...
    12 KB (1,102 words) - 21:35, 14 April 2025
  • Thumbnail for Laser guide star
    use in astronomical adaptive optics systems, which are employed in large telescopes in order to correct atmospheric distortion of light (called astronomical...
    15 KB (1,726 words) - 01:44, 26 May 2025
  • Thumbnail for Aperture masking interferometry
    ground-based telescopes (like the Keck Telescope and the Very Large Telescope), and is a high contrast imaging mode on the James Webb Space Telescope. This technique...
    6 KB (580 words) - 03:59, 18 September 2024
  • Thumbnail for VLT Survey Telescope
    adjacent to the four Very Large Telescope (VLT) Unit Telescopes on the summit of Cerro Paranal. The VST is a wide-field survey telescope with a field of view...
    16 KB (1,986 words) - 04:42, 12 April 2025
  • Thumbnail for Astronomical survey
    Used Keck Telescopes to measure redshift of 50,000 galaxies VIMOS-VLT Deep Survey (VVDS) – Franco-Italian study using the Very Large Telescope at Paranal...
    17 KB (2,002 words) - 21:38, 18 May 2025
  • Thumbnail for Barnard's Star b
    radial velocity observations from the ESPRESSO spectrograph on the Very Large Telescope, and was announced on 1 October 2024. It is the second from its star...
    9 KB (795 words) - 20:09, 26 May 2025
  • Thumbnail for Sagittarius A*
    the GRAVITY interferometer and the four telescopes of the Very Large Telescope (VLT) to create a virtual telescope 130 metres (430 feet) in diameter, astronomers...
    74 KB (7,830 words) - 15:50, 22 May 2025