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Top 10 Largest Telescopes in The World

Largest Telescopes in The World

Telescope is an optical instrument which helps to look distant objects appear magnified by using an arrangement of lenses or curved mirrors and lenses, or various devices used to observe distant objects by their emission, absorption, or reflection of electromagnetic radiation. This term telescope was coined in 1611 by a Greek mathematician Giovanni Demisiani for one of Galileo Galilei’s instruments showcased at a banquet at the Accademia dei Lincei.

With the help of Telescopes, People can look at stars and galaxies closely. It functions by observing the visible light, which is a type of electromagnetic radiation, from objects which are placed far away and with using that light, an image gets created. This proves to be very useful particularly for scientists and astronomers. Although Galileo is not the inventor of the first telescope but he was closely associated with that and he was the first person to observe the sky in night using the telescope which led to the discovery of Milky Way in 1610.

Largest Telescopes in The World: Various kinds of Telescopes:

Telescopes are categorized on the basis of the wavelengths of light they detect:

  • X-ray telescopes (shorter wavelengths than ultraviolet light)
  • Ultraviolet telescopes (shorter wavelengths than visible light)
  • Optical telescopes (visible light)
  • Infrared telescopes (longer wavelengths than visible light)
  • Submillimetre telescopes (longer wavelengths than infrared light)
  • Fresnel Imager (an optical lens technology)
  • X-ray optics (optics for certain X-ray wavelengths)Top 10 Largest Telescopes in The World_40.1

Top 10 Largest Telescopes in the World

The list of Top 10 Biggest Telescope in the World along with their names and names of observatory, location, built year and their aperture size are discussed below in descending order:

Sr. No.  Name of Telescope and observatory  Built year  Location   Aperture Size
1. Gran Telescopio Canarias 2009 Canary Islands, Spain 409 inches
2. Keck 1 and Keck 2, Mauna Kea Observatory 1993 and 1996 (respectively) Hawaii, U.S.A 394 inches each
3. SALT, South African Astronomical Observatory 2005 Northern Cape, South Africa 362 inches
4. LBT, Mount Graham Observatory 2004 Arizona, U.S.A 330 inches
5. Subaru, Mauna Kea Observatory 1999 Hawaii, U.S.A 323 inches
6. Antu, Paranal Observatory 1998 Chile 323 inches
7. Kueyen, Paranal Observatory 1999 Chile 323 inches
8. Melipal, Paranal Observatory 2000 Chile 323 inches
9. Yepun, Paranal Observatory 2001 Chile 323 inches
10. Gemini South, Cerro Tololo Inter-American Observatory 2001 Chile 318 inches

Top 10 Largest Telescopes in The World_50.1

Largest Telescopes in The World: FAQs

Q1. What is the name of biggest telescope?
Ans. Gran Telescopio Canarias is the name of biggest telescope

Q2. Which country has manufactured the biggest telescope?
Ans.
Built in Canary Islands, Spain has manufactured the biggest telescope.

Q3. What is the aperture size of the biggest telescope in the world?
Ans.
409 inches is the aperture size of the biggest telescope in the world.

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