Used Telescopes

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Coast Lines: Feb. 18, 2012
COUNTY CHP awarded grant for senior driving classes A new grant has funded a California Highway Patrol class for seniors who want to keep their driving skills sharp and extend their years behind the wheel. ... Read News

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Galileo Galilei - Telescope - Inventors
Months passed, and his telescopes improved. On January 7, 1610, he turned his 30 power telescope towards Jupiter, and found three small, bright stars near the planet. ... Read Article

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Microscope History - Inventors
Magnifiers and "burning glasses" or "magnifying glasses" are mentioned in the writings of Seneca and Pliny the Elder, Roman philosophers during the first century A. D., but apparently they were not used much until the invention of spectacles, toward the end of the 13th century. ... Read Article

Astronomy & Telescopes : How To Use A Telescope With Setting ...
Setting circles are used to tell where the telescope is pointed in the sky. Use setting circles by reading ascension and declination with help from an astrophotographer in ... View Video

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Hubble Telescope - Facts And Figures On The Hubble Space ...
Related Resources to Hubble Space Telescope. Hubble constant; Hubble's Law; Telescopes In A Nutshell ... Read Article

Optical Telescopes And Instrumentation
Advantages of Interferometric Telescopes ● specifications of each Keck telescope-mirror is 10 m in diameter-separation of 85 m from each other ● used as a two-element interferometer-light-gathering power of two 10 m telescopes-angular resolution of an 85 m telescope ... Retrieve Content

Did The Ancients Invent The Telescope?
In another of these passages, speaking of Pythagoras's wisdom in the sixth century B.C., the ancient philosopher Iamblichus suggested that the Greeks used telescopes by spelling out the word when he announced, "Sight is made precise by the compass, rule, and telescope." ... Doc Viewer

Which telescope To Buy? - YouTube
Below are some of the telescopes I've used in recent years, ranging from ~30 -3000 dollars. (shortened for YTs character limits) Price $35 76mm reflector dobsonian mounted ... View Video

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Telescope Principles
Well, before we answer those questions let's first learn a little about the history of the telescope what are the different types of telescopes and what their parts are. The telescope was invented by • Dutch lens maker Hans Lippershay (1608) • First used by Galileo of Italy to make astronomical ... Get Content Here

An inwardly curved - or concave – primary mirror can bring incoming light rays to a focus and is used to construct reflecting telescopes. ... Retrieve Content

Algebra And Telescopes - YouTube
NASA Connect Segment discovering algebra and how algebra is used in telescopes. Explores Galileo's fifteenth century telescope and the Milkyway Galaxy. ... View Video

Supercool Space Tools
Also used to send telescopes and other instruments way above our atmosphere into space where any type of light can be studied. The Space Shuttle has car- ... Access Full Source

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Chapter 22
It has four telescopes with 8.2 m diameter mirrors. The telescopes can be used together or separately. ESO Images . Large Reflecting Telescopes ... Document Viewer

I used the scope on a German Equato rial mount, so the eyepiece could get in some Dodos. THE ASTRO TELESCOPES 102-MM F/11 REFRACTOR Astronomy TECHNOLOGY TODAY 45 ... Access Document

McGraw-Hill's AccessScience
Refracting telescopes Small refracting telescopes are used in binoculars, cameras, gunsights, galvanometers, periscopes, surveying instruments, rangefinders, astronomical telescopes, and a great variety of other devices. ... Fetch Full Source

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Video: Behind The Scenes At Giant Keck Telescopes
A behind-the-scenes look at how one telescope, the W. M. Keck Observatory, produces its superb space images. ... Read News

Quiz#5 Answers Last Name, First/Othernames ...
B) Telescopes have to adapt to the greater distortion of the atmosphere at shorter 15) In what wavelength range was interferometry first routinely used? ... Access Full Source

Two of the refractors to be used have lenses with diameters of 100 and 120 mm, respectively. The other two refractors are Rich Field Telescopes with lenses 80mm in diameter and a short FOCAL LENGTH . ... Retrieve Doc
The dotted/shaded regions are used in this drawing to depict different layers in Earth’s atmosphere. that telescopes in space are much more expensive to construct than Earth-based telescopes. ... View This Document

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Bay Area Remembers John Glenn's Remarkable Flight
Fifty years ago, a fiery blast of rocket fuel catapulted the first American into orbit. John Glenn soared to a peak altitude of 162 miles in the Friendship 7 capsule, lifting the spirits of a populace longing for victory. ... Read News

Night Vision Binocular Monocular Infrared Hunting Telescope Trial Camera Video
Night Vision Binocular Monocular Infrared Hunting Telescope Trial Camera Video
Sale Time Remaining: 30m
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Telescope Bushnell Sportview 20 60
Telescope Bushnell Sportview 20 60
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Taylor Hobson 112 536 1595 Micro Alignment Telescope w 112 554 +8 8 Eyepiece
Taylor  Hobson 112 536 1595 Micro Alignment Telescope w 112 554 +8 8 Eyepiece
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Telescope by National Geographic
Telescope by National Geographic
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