
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 …
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 …
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 …
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 …
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 …
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?
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.