Where is the Biggest Telescope?
Name: carol r fisher
Date: 1993 - 1999
Where is the biggest telescope in the world?
I would have to guess. So why don't you try looking under "telescopes"
or "astronomy" in your favorite encyclopedia?
The Keck Observatory on Mauna Kea, Hawaii is one of the largest with
an effective primary mirror diameter of 400 in. Palomar in CA with
a mirror of 200 in. was the largest for many years until the Russians
built one slightly larger.
Check out this link, for a listing of telescopes. According to the site, it is the Gran Telescopio CANARIAS (GTC) in the Canary Islands.
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Update: June 2012