Lick observatory telescope

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Overview[ edit ] With a concept first proposed in , telescope designers at the University of California Terry Mast and Lawrence Berkeley Labs Jerry Nelson had been developing the technology necessary to build a large, ground-based telescope. With a design in hand, a search for the funding began. In , Howard B. Keck of the W. Construction of Keck I began in September , with first light occurring on 24 November using only nine of the eventual 36 segments. With construction of the first telescope well advanced, further donations allowed the construction of a second telescope starting in
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Mount Hamilton, California Another type of refracting telescope is the astrograph, which usually has an objective diameter of approximately 20 cm 8 inches. The astrograph has a photographic plateholder mounted in the focal plane of the objective so that photographs of the celestial sphere can be taken. The photographs are usually taken on glass plates. The principal application of the astrograph is to determine the positions of a large number of faint stars. These positions are then published in catalogs such as the AGK3 and serve as reference points for deep-space photography. Reflecting telescopes Reflectors are used not only to examine the visible region of the electromagnetic spectrum but also to explore both the shorter- and longer-wavelength regions adjacent to it i.
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The son of a carpenter , Lick began learning the craft at an early age. When he was twenty one, after a failed romance with Barbara Snavely , Lick left Stumpstown for Baltimore, Maryland , where he learned the art of piano making. He quickly mastered the skill, and moved to New York City and set up his own shop. In Lick moved to Argentina , after learning that his pianos were being exported to South America.
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After this brief period of exponential growth, the universe then transitioned into a more gradual phase of expansion and cooling. At a time of , years after the Big Bang, protons first recombined with the available electrons in an event known as recombination, leaving photons to wander the universe freely. The universe then entered a dark age for a period of several hundred million years, until the first stars and galaxies formed. Subsequent to this time, galaxies have been merging and coalescing to become larger and more mature systems. The Beginning of the Universe It is now widely agreed that the universe started in a hot big bang.
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