History of the telescope - Wikipedia, the free encyclopedia
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The earliest known working telescopes appeared in 1608 and are credited to Hans Lippershey. Among many others who claimed to have made the discovery were Zacharias Janssen, spectacle-maker in Middelbu...
en.wikipedia.org/wiki/History_of_the_telescope
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Although others have claimed the invention of the telescope and the device was impossible to keep secret, the earliest record of the existence of such a device is a letter of the government of Zeeland to its delegation to the States General of the Netherlands, dated 25 September 1608, which instructs them to be of help...
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galileo.rice.edu/sci/lipperhey.html
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But the telescope was not the invention of scientists; rather, it was the product of craftsmen. For that reason, much of its origin is inaccessible to us since craftsmen were by and large illiterate and therefore historically often invisible.
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galileo.rice.edu/sci/instruments/telescope.html
galileo.rice.edu/sci/instruments/telescope.html
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The story of Galileo's telescope is well known, as he recounted it himself in the Starry Messenger. In July 1609, Galileo was in Venice, when he heard of an invention that allowed distant objects to be seen as distinctly as if they were nearby.
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www.hps.cam.ac.uk/starry/galtele.html
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When I ran across this account of the invention of the telescope in Neal Howard's Standard Handbook for Telescope Making, the mention of birds caught my attention. Could it really be that looking at birds was part of the first known use of a telescope?
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www.birdwatching.com/optics/first_telescope.html
www.birdwatching.com/optics/first_telescope.html
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How do they work? ... What are they? ... What are they used for?
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library.thinkquest.org/CR0212580/telescope.htm
library.thinkquest.org/CR0212580/telescope.htm
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Upon hearing at age 40 that a Dutch optician had invented a glass that made distant objects appear larger, Galileo crafted his own telescope and turned it toward the sky.
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antwrp.gsfc.nasa.gov/apod/ap960830.html
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Since the telescope's invention, much more powerful versions have been developed: Radio, X-ray, and gamma-ray telescopes are capable of sensing and measuring things like invisible forms of radiation. These telescopes have helped us learn about the solar system, the Milky Way, and the universe itself.
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www.cbc.ca/kids/general/the-lab/history-of-invention/te...
www.cbc.ca/kids/general/the-lab/history-of-invention/telescope.html
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Most reliable accounts place the invention of the telescope in 1608 in the Netherlands, by Hans Lippershey, Zacharias Janssen and Jacob Metius. But it was the refinement of the telescope the following year by Galileo that triggered one of the greatest scientific revolutions of all time.
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www.wired.com/science/space/news/2008/10/telescope_kaku...
www.wired.com/science/space/news/2008/10/telescope_kaku_essay_mainbar
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