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A telescope is a device used to observe distant objects by their emission, absorption, or reflection of electromagnetic radiation. Originally it was an optical instrument using lenses , curved mirrors , or a combination of both to observe distant objects – an optical telescope .
May 6, 2024 · 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 from the night sky. The first telescopes focused light by using pieces of curved, clear glass, called lenses.
Telescopes Astronomers observe distant cosmic objects using telescopes that employ mirrors and lenses to gather and focus light. The size of the main mirror or lens determines how well a telescope can collect light. The larger a mirror or lens, the more light it collects, and the better its ability to detect fainter objects. Refracting […]
May 26, 2024 · 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.
- I know telescopes make things appear bigger, but what exactly do they do? A telescope’s main purpose is to collect light. This property of telescopes allows you to observe objects much fainter than you can see with your eyes alone.
- When I buy my first telescope, will it be complete, or will I have to buy additional items to make it work? Most telescopes marketed to beginners are complete systems, ready for the sky as soon as you unpack them and perform whatever setup procedures the manufacturer recommends.
- I’m interested in observing, but I don’t know which scope to buy. What should I do first? Your first step should be to learn all you can about telescopes: what types are available, what manufacturers sell them, and what words describe them.
- Is it true that I should purchase binoculars before a telescope? No. I used to give this advice to beginning amateur astronomers, but not any more. The view through binoculars — especially from a light-polluted site — often proves disappointing to beginners.
A telescope is an amazing device that has the ability to make faraway objects appear much closer. Telescopes come in all shapes and sizes, from a little plastic tube you buy at a toy store for $2, to the Hubble Space Telescope, which weighs several tons.
A telescope is a device used to observe objects at great distances, by focusing and capturing the electromagnetic radiation they emit, absorb, or reflect. Originally, the telescope was an optical ...
