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  1. Telescope - 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 …

  2. Best telescopes 2025: View stars, galaxies and nebulas | Space

    Sep 30, 2025 · There are so many things to consider when buying a telescope, especially when it is your first. It can be a daunting task, but our guide makes it a breeze. We cover a range of …

  3. Telescope | History, Types, & Facts | Britannica

    3 days ago · 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 …

  4. The 5 Best Telescopes for Beginners of 2025 | Reviews by ...

    Oct 2, 2025 · Few things are as awe-inspiring as being under a clear night sky, looking up, and gazing at a seemingly infinite array of stars overhead. So we rounded up 17 telescopes, and …

  5. How Do Telescopes Work? - NASA Space Place

    Sep 25, 2025 · A telescope is a tool that astronomers use to see faraway objects. Most telescopes, and all large telescopes, work by using curved mirrors to gather and focus light …

  6. What are the different types of telescope? - Live Science

    Jun 26, 2023 · There are three basic types of telescope: reflectors, refractors and catadioptric, but how do you which type is the best telescope for you?

  7. Sky & Telescope | Your Guide to Astronomy & the Night Sky

    Explore the universe with Sky & Telescope - your ultimate source for stargazing, celestial events, and the latest astronomy news.