1977
They are optical telescopes.
I have no idea and it does not even say it in the textbook
Construction of Keck 1 Telescope began in September 1985 and it began scientific observations in March 1993. Construction of Keck II began in 1991 and it was first used in 1996.
Keck telescopes do not exist, Keck telescope refers to the WM Keck Observatory on Mt. Kea.The Keck Observatory is comprised of several opticalreflecting telescopes, whereas aradio telescope consists of a large parabolic solid metal or screen reflector with a radioreceiver at its focus, built to detect and measure radio waves.
The Keck Observatory is located near the summit of Mauna Kea on the Big Island of Hawaii. It consists of two telescopes, Keck I and Keck II, which are among the largest and most scientifically productive telescopes in the world.
Yes, a dark spot has been observed on Uranus. It was first observed in 2006 by both the Hubble Telescope and the Keck Telescope.
The NIRC-2 feature of the Keck telescope in Hawaii is used for that purpose, though i don't think it is the only one.
Galileo galilei invented the astronomic telescope Galileo galilei invented the astronomic telescope
The telescope was invented in 1608 not 2010. See related question.
The ratio of the area is (60 / 10) squared, or 36.
''The guy who invented the telescope is Hans.''
The primary mirrors on the Keck Telescope are 10 meters (33 feet) in diameter. Each mirror is composed of 36 hexagonal segments that work together to form the complete reflective surface.