Top 5 Telescope 2018

Top 5 Biggest Telescope In the World

5. Subaru, Mauna Kea Observatory

Location: Hawaii, U.S.A

Built in (Date or Year): 1999

Aperture Size: 323 inches

4. LBT, Mount Graham Observatory

Location: Arizona, U.S.A

Built in (Date or Year): 2004

Aperture Size: 330 inches

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3. SALT, South African Astronomical Observatory

Location: Northern Cape, South Africa

Built in (Date or Year): 2005

Aperture Size: 362 inches

2. Keck 1 and Keck 2, Mauna Kea Observatory

Location: Hawaii, U.S.A

Built in (Date or Year): 1993 and 1996 (respectively)

Aperture Size: 394 inches each

1. Gran Telescopio Canarias

Location: Canary Islands, Spain

Built in (Date or Year): 2009

Aperture Size: 409 inches

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