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Many types of telescopes were developed in the 20th century for a wide range of wavelengths from radio to gamma-rays. The development of space observatories after 1960 allowed access to several bands impossible to observe from the ground, including X-rays and longer wavelength infrared bands.
The telescope, invented in 1608, was one of the most important inventions of the Scientific Revolution because it made it possible to more carefully observe the Sun, Moon, planets, and stars, which meant age-old theories could be tested and proved or disproved.
Telescope, device used to form magnified images of distant objects. The telescope is undoubtedly the most important investigative tool in astronomy. It provides a means of collecting and analyzing radiation from celestial objects, even those in the far reaches of the universe.
Late 13th century – First spectacles are invented. 1570s – Several reports are made of the abilities of lenses to make “distant things look as they are near”. 1608 – German-Dutch spectacle-maker Hans Lippershey applies his patent on what is today known as telescope.
Explore the evolution of a groundbreaking scientific instrument that has redefined our understanding of the cosmos - from its inception in 1608 to the cutting-edge gamma-ray telescopes of today.
The first telescopes, known as refracting telescopes, were built in the early 17th century by Dutch eyeglass makers. They employed a pair of lenses—one convex fitted at the end of the scope,...
Built for the first time some 600 years ago, telescoped were initially hailed as one of the most important tools for sea fearers, and very quickly it became a pivotal tool of the astronomers who started exploring the night sky in search of answers.
The invention of the telescope. Historians are not absolutely sure who invented the telescope, but it is known that in 1608 a Dutch spectacle maker, Hans Lipperhey, announced a new lens-based seeing instrument that made distant objects appear much closer.
This web exhibit from the American Institute of Physics explores the history of cosmology from ancient Greek astronomy to modern space telescopes.
The telescope was introduced to astronomy in 1609 by the great Italian scientist Galileo Galilei -- the first man to see the craters on the moon. He went on to discover sunspots, the four large moons of Jupiter and the rings of Saturn. His telescope was similar to opera glasses.