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  • Thumbnail for Hubble Space Telescope
    The Hubble Space Telescope (often referred to as HST or Hubble) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation...
    218 KB (21,788 words) - 16:45, 15 September 2024
  • Thumbnail for List of largest optical reflecting telescopes
    measure of a telescope's performance. Space-based telescopes, such as the Hubble Space Telescope, take advantage of being above the Earth's atmosphere to...
    35 KB (1,572 words) - 18:55, 26 July 2024
  • Thumbnail for James Webb Space Telescope
    from the ground or by existing space telescopes such as Hubble. Ground-based telescopes must look through Earth's atmosphere, which is opaque in many infrared...
    213 KB (19,831 words) - 20:45, 9 September 2024
  • Thumbnail for Space telescope
    Hubble" proposed to put a telescope in space. Spitzer's proposal called for a large telescope that would not be hindered by Earth's atmosphere. After lobbying...
    9 KB (867 words) - 02:49, 5 June 2024
  • Thumbnail for Chandra X-ray Observatory
    detectable from Earth-based telescopes; therefore space-based telescopes are required to make these observations. Chandra is an Earth satellite in a 64-hour...
    38 KB (3,670 words) - 15:04, 24 August 2024
  • Thumbnail for Spitzer Space Telescope
    third space telescope dedicated to infrared astronomy, following IRAS (1983) and ISO (1995–1998). It was the first spacecraft to use an Earth-trailing orbit...
    62 KB (5,831 words) - 12:21, 23 August 2024
  • Thumbnail for Kepler space telescope
    The Kepler space telescope is a defunct space telescope launched by NASA in 2009 to discover Earth-sized planets orbiting other stars. Named after astronomer...
    172 KB (16,217 words) - 12:17, 24 August 2024
  • Thumbnail for Asteroid impact prediction
    Asteroid impact prediction (category Near-Earth asteroids)
    Being ground-based, such telescopes will still only observe part of the sky around Earth. In particular, all ground-based telescopes have a large blind...
    122 KB (11,037 words) - 13:37, 5 September 2024
  • Thumbnail for Geology of the Moon
    mantle, and core. Geological studies of the Moon are based on a combination of Earth-based telescope observations, measurements from orbiting spacecraft...
    51 KB (5,973 words) - 23:54, 10 September 2024
  • Thumbnail for Kepler-452b
    Kepler-452b (category Exoplanets discovered by the Kepler space telescope)
    the system discovered by the Kepler space telescope. It is located about 1,400 light-years (430 pc) from Earth in the constellation of Cygnus. Kepler-452b...
    21 KB (1,899 words) - 17:41, 8 September 2024
  • Thumbnail for List of space telescopes
    Earth observation satellites for missions targeting Earth. Two values are provided for the dimensions of the initial orbit. For telescopes in Earth orbit...
    129 KB (5,581 words) - 15:04, 9 September 2024
  • Thumbnail for Neptune
    Earth gives it a small apparent size, and its distance from the Sun renders it very dim, making it challenging to study with Earth-based telescopes....
    147 KB (14,336 words) - 10:08, 10 September 2024
  • Thumbnail for Airglow
    field of an Earth-based telescope by an order of magnitude only as yet work in the infrared, where the sky is much brighter. A space telescope isn't restricted...
    16 KB (1,837 words) - 00:40, 3 August 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) - 12:14, 9 September 2024
  • Thumbnail for Liquid-mirror telescope
    Liquid-mirror telescopes are telescopes with mirrors made with a reflective liquid. The most common liquid used is mercury, but other liquids will work...
    21 KB (2,725 words) - 20:15, 11 September 2024
  • Thumbnail for Space Surveillance Telescope
    The Space Surveillance Telescope (SST) is a Southern Hemisphere-based United States Space Force telescope used for detecting, tracking, and cataloguing...
    12 KB (1,167 words) - 16:44, 26 August 2024
  • The Event Horizon Telescope (EHT) is a telescope array consisting of a global network of radio telescopes. The EHT project combines data from several...
    39 KB (4,128 words) - 11:47, 4 September 2024
  • Thumbnail for Telescope
    distance between the telescopes. As of 2005, the record array size is many times the diameter of the Earth – using space-based very-long-baseline interferometry...
    41 KB (3,925 words) - 17:13, 9 September 2024
  • Thumbnail for NEOSTEL
    Near Earth Object Survey TELescope (NEOSTEL - also known as "Flyeye") is an astronomical survey and early-warning system for detecting near-Earth objects...
    8 KB (828 words) - 05:03, 30 June 2024
  • 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 (3,761 words) - 09:25, 31 August 2024
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