They are optical telescopes.
The Keck telescope has a 10m mirror.
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.
it is the Keck telescope
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
HANS LIPPERSHEY INVENTED REFRACTING TELESCOPE.
The ratio of the area is (60 / 10) squared, or 36.
''The guy who invented the telescope is Hans.''