• Thumbnail for Large Zenith Telescope
    The Large Zenith Telescope (LZT) was a 6.0-meter diameter liquid-mirror telescope located in the University of British Columbia's Malcolm Knapp Research...
    5 KB (532 words) - 13:36, 14 October 2024
  • Thumbnail for Zenith telescope
    A zenith telescope is a type of telescope that is designed to point straight up at or near the zenith. They are used for precision measurement of star...
    3 KB (289 words) - 12:11, 24 August 2023
  • Thumbnail for Zenith
    to simplify telescope construction, or both. The NASA Orbital Debris Observatory and the Large Zenith Telescope are both zenith telescopes, since the use...
    7 KB (829 words) - 10:18, 25 December 2024
  • Thumbnail for Liquid-mirror telescope
    as it is located in the Arctic Ocean. The mercury mirror of the Large Zenith Telescope in Canada was the largest liquid-metal mirror ever built. It had...
    21 KB (2,725 words) - 20:15, 11 September 2024
  • 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...
    35 KB (1,574 words) - 17:04, 23 December 2024
  • 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...
    46 KB (4,959 words) - 08:04, 30 November 2024
  • incoming light. Large Zenith Telescope NASA Orbital Debris Observatory Singh, Surendra (2023-03-22). "Asia's largest 4-metre liquid mirror telescope inaugurated...
    3 KB (262 words) - 01:50, 6 October 2024
  • Thumbnail for Radio telescope
    radio telescopes require very large antennas to collect enough radio energy to study them, and extremely sensitive receiving equipment. Radio telescopes are...
    23 KB (2,576 words) - 22:48, 27 December 2024
  • Thumbnail for Five-hundred-meter Aperture Spherical Telescope
    Aperture Spherical Telescope (FAST; Chinese: 五百米口径球面射电望远镜), nicknamed Tianyan (天眼, lit. "Sky's/Heaven's Eye"), is a radio telescope located in the Dawodang...
    41 KB (3,877 words) - 00:25, 28 September 2024
  • Thumbnail for NASA Orbital Debris Observatory
    NASA Orbital Debris Observatory (category Liquid mirror telescopes)
    NASA-LMT was configured as a zenith telescope. Using 20 narrowband filters, it cataloged space debris in Earth's orbit. The telescope was initially completed...
    6 KB (545 words) - 22:27, 13 December 2024
  • Thumbnail for Lovell Telescope
    was on 2 August 1957; the telescope did a drift scan across the Milky Way at 160 MHz, with the bowl at the zenith. The telescope was first controlled from...
    50 KB (5,510 words) - 16:31, 19 August 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) - 15:46, 29 December 2024
  • Thumbnail for Vera C. Rubin Observatory
    The Vera C. Rubin Observatory, formerly known as the Large Synoptic Survey Telescope (LSST), is an astronomical observatory under construction in Chile...
    82 KB (8,766 words) - 03:27, 3 January 2025
  • Thumbnail for Dobsonian telescope
    the telescope at the coordinates of known objects. They are known for being difficult to point at objects near the zenith, mainly because a large movement...
    33 KB (3,867 words) - 20:23, 1 December 2024
  • 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...
    77 KB (7,569 words) - 08:59, 30 December 2024
  • Thumbnail for Telescope mount
    fixed stars as the Earth rotates. Fixed telescope mounts are entirely fixed in one position, such as Zenith telescopes that point only straight up and the...
    8 KB (883 words) - 08:22, 26 September 2023
  • Thumbnail for Reflecting telescope
    A reflecting telescope (also called a reflector) is a telescope that uses a single or a combination of curved mirrors that reflect light and form an image...
    33 KB (3,911 words) - 21:56, 23 December 2024
  • Thumbnail for History of the telescope
    The history of the telescope can be traced to before the invention of the earliest known telescope, which appeared in 1608 in the Netherlands, when a...
    74 KB (9,260 words) - 17:07, 17 November 2024
  • Thumbnail for Meridian circle
    north celestial pole, the zenith, the south point of the horizon, the south celestial pole, and the nadir. Meridian telescopes rely on the rotation of the...
    31 KB (4,104 words) - 14:54, 20 August 2024
  • Thumbnail for Jodrell Bank Observatory
    218 ft (66 m) parabolic reflector zenith telescope built in 1947. At the time, it was the world's largest radio telescope. It consisted of a wire mesh suspended...
    49 KB (5,207 words) - 08:51, 11 December 2024
  • MacMillan Southam Observatory, H.R. Macmillan Space Centre, Vancouver Large Zenith Telescope, University of British Columbia (at Malcolm Knapp Research Forest)...
    4 KB (329 words) - 15:27, 29 November 2024
  • telescopes one yard to less than 2 metres in aperture. Lists of telescopes "Large Zenith Telescope". Atlas Obscura. "Crimean Astrophysical Observatory". Crao...
    64 KB (2,307 words) - 03:51, 11 December 2024
  • Thumbnail for Altazimuth mount
    Altazimuth mount (category Telescopes)
    is infinite. Thus, altazimuth telescopes, although they can point in any direction, cannot track smoothly within a "zenith blind spot", commonly 0.5 or...
    7 KB (813 words) - 17:50, 1 January 2024
  • Thumbnail for Arecibo Telescope
    reflectors. This allowed the telescope to observe any region of the sky in a forty-degree cone of visibility about the local zenith (between −1 and 38 degrees...
    85 KB (8,654 words) - 02:27, 19 November 2024
  • Thumbnail for Haystack Observatory
    Haystack Observatory (category Radio telescopes)
    black hole's event horizon. Data are transported on large hard drives from the observing telescopes to Haystack, where a cluster of about 800 CPUs run...
    17 KB (1,699 words) - 15:16, 5 December 2024
  • Thumbnail for Ramsden surveying instruments
    the measurement of the many base lines of these surveys and also the zenith telescope used in latitude determinations. A total of eight such instruments...
    17 KB (2,128 words) - 16:17, 19 July 2024
  • Purple Crow Lidar (category Telescope types)
    and Engineering Research Council of Canada (NSERC). Large Zenith Telescope Liquid-mirror telescope Wing, Robin; Martic, Milena; Hauchecorne, Alain; Porteneuve...
    3 KB (285 words) - 11:26, 16 January 2024
  • Thumbnail for NASA Infrared Telescope Facility
    accurate pointing of the telescope. Since the telescope is on an equatorial mount, the telescope can observe targets through the zenith without concern for...
    14 KB (1,799 words) - 21:21, 16 May 2024
  • Thumbnail for William Herschel Telescope
    The William Herschel Telescope (WHT) is a 4.20-metre (165 in) optical/near-infrared reflecting telescope located at the Roque de los Muchachos Observatory...
    39 KB (3,747 words) - 17:27, 23 October 2024
  • Thumbnail for Gimbal lock
    around zenith for which the telescope cannot continuously track all movements of a target. Note that even if the helicopter does not pass through zenith, but...
    18 KB (2,643 words) - 18:17, 14 December 2024