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  1. en.wikipedia.org › wiki › TelescopeTelescope - Wikipedia

    A telescope is a device used to observe distant objects by their emission, absorption, or reflection of electromagnetic radiation. [1] Originally it was an optical instrument using lenses, curved mirrors, or a combination of both to observe distant objects – an optical telescope. Nowadays, the word "telescope" is defined as a wide range of ...

  2. May 6, 2024 · 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. Two of Galileo's first telescopes; in the Museo Galileo, Florence. Galileo revolutionized astronomy when he applied the telescope to the ...

  3. Telescope. A telescope (from the Ancient Greek τῆλε, tele "far" and σκοπεῖν, skopein "to look or see"; τηλεσκόπος, teleskopos) makes astronomical objects appear closer to the naked eye. It is an important tool for astronomy that gathers light and directs it to a single point. Some do this with curved mirrors, some with ...

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