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- How Do Telescopes Work?Early telescopes focused light using pieces of curved, clear glass, called lenses. However, most telescopes today use curved mirrors to gather light from the night sky.
- How do telescopes work?Telescopes collect and magnify the light from distant objects.
- The Optics of Telescopes[What is] a basic optical telescope? There are two basic designs:
1. refracting telescopes, also known as refractors
2. reflecting telescopes, also known as reflectors - How Telescopes WorkThis guide describes how [various types of] telescopes work.
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Source: 6.1: Telescopes. (2022, April 11). Physics LibreTexts. https://phys.libretexts.org/Bookshelves/Astronomy__Cosmology/Book%3A_Astronomy_%28OpenStax%29/06%3A_Astronomical_Instruments/6.01%3A_Telescopes