• What is a telescope?

    Lyudmila Fedotova
    Lyudmila Fedotova
    March 18, 2015
    What is a telescope?

    Almost every adult has an idea of ​​what a telescope is. However, not many people have seen this tool at least once in their life and even less had the opportunity to use it. Meanwhile, if desired, the telescope can be easily purchased at a specialty store. The main thing is to understand why it is needed, so that later the telescope would not gather dust somewhere in the corner.

    In fact, a telescope is a device with which you can monitor remote objects by collecting electromagnetic radiation. Today, there are several types of telescopes, depending on the range of the electromagnetic spectrum:

    • Optical telescope - such a device is considered the most popular. Optical telescopes include binoculars and a telescope. With their help, you can consider small parts and deleted items. In addition, from the point of view of optics, a lens of this type of telescope is a photographic lens. Moreover, depending on the device, lens, mirror and lens-mirror telescopes are distinguished.
    • Radio telescope - it is used to study various space objects. In appearance, it resembles a huge satellite dish, and the principle of operation is similar.
    • X-ray telescope - designed to monitor objects in the X-ray spectrum. The first of this kind of telescope used to observe the sun. At the same time, such devices need to be raised above the atmosphere of the Earth so that they work properly.
    • Gamma telescope - this device is used by astrophysicists to study the universe. With it, gamma radiation emitted from objects of the Metagalaxy is recorded.

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