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Galileo Galelei makes first refractor telescope
Uses two lenses to concentrate the celestial objects. This delivers more light to the human eye. It is then refracted through a spherical lense forming an image. -
Niccolo Zucchi constructs reflecting telescope
He may have been the first to see the belts on jupiter. He published a book describing how to use the refecting telescope. -
Christoph Schiner constructs Keplerian telescope
Had many issues with it. brighter objects tend to have colored circles around them. Also the images appeared more spherical than normal. -
Christiaan huygens improves refractor telescope
The design has been improved. It was for a compund eyepiece. -
James Gregory designs the Gregorian reflector
Has paraboloid primary mirror and ellipsoid primary mirror. The designs could not be finished till 10 years later. -
Isaac Newton builds first workable reflector telescope
The first functioning reflecting telescope using a spherical primary mirror. Also a flat diagonal secondary mirror. -
Laurent Cassegrain designs Cassegrain telescope
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John hadley produces 1st workable Gregorian telescope
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William Herschel builds largest telescope in the 18th century
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Largest refractor in history is completed
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60 inch Mount Wilson reflector comleted
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Invention of Ritchey-Chretien telescope is made
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100inch hooker telescope completed
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Dmitri Dmitrievich Maksutov invents Maksutov telescope
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200 inch Hale reflector is completed
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238 inch Alatazimuth telescope completed
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Hubble telescope launched into space
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South African large telescope takes flight
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James Webb space telescope is scheduled for launch
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Giant Magellan telescope is scheduled for launch
