- 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 mirrors, or a combination of both to observe distant objects – an optical telescope
- Telescope | History, Types, Facts | Britannica
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
- Fancy a new telescope for the holidays?
We cover a range of budgets, skill levels and purposes so that you can pick the telescope that is right for you Check out our top three skywatching highlights for this month or for a more
- The 5 Best Telescopes for Beginners of 2025 | Reviews by Wirecutter
So we rounded up 17 telescopes, and after years of star parties, we think the Celestron NexStar 5SE is the best telescope for a curious amateur It gathers enough light for you to view the best
- Telescopes 101 - NASA Science
A telescope that uses a mirror as its primary optical element is called a reflecting telescope Large mirrors can be made thinner and lighter than lenses of the same size, which makes reflecting scopes ideal for sending to space
- Telescopes - Harvard–Smithsonian Center for Astrophysics
From the first visible-light telescopes in the 1600s, new technology drove new discoveries, leading to 20th century invention of instruments capable of observing the types of light invisible to the human eye
- How to Choose a Telescope | Types of Telescopes
Learn about the differences between reflectors, refractors, and compound telescopes to get a telescope that best fits your needs Discover why (and if) you should care about aperture, magnification, and resolution and find out whether bigger is always better
- The Best Telescopes of 2025 - High Point Scientific
Each telescope on this list has been personally field-tested by our gear experts, providing you with a collection of performance-proven telescopes to choose from
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