Amazing Facts 11 facts, probably you don't know about Telescope.

11 facts, probably you don’t know about Telescope.

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Do you know about telescope?

The telescope is an optical instrument that collects the electromagnetic radiation. The first known practical telescopes were invented in the Netherlands at the beginning of the 17th century, by using glass lenses. They found use in both terrestrial applications and astronomy.

Aperture determines how much detail you can see in objects. A large telescope will reveal more detail on the Moon and planets. Aperture also determines how much light it collects and a large instruction will provide brighter views and show fainter objects. Keep in mind, however, the steadiness of the air often limits the detail you can see, and you need dark skies to see really faint galaxies and nebulae. In this article, we will be talking about the amazing fact about it.

1. The telescope is not only used for magnifying the object far from the earth but also use to see the light which is invisible by human naked eyes light like microwaves, radio wave, ultraviolet rays.

2. Telescope can record observations with cameras – You can see things with your eye and draw them, but telescopes can share observations with the world! This is especially important for convincing skeptics what you saw was real.

3. Telescopes perform basically three main functions: light gathering, resolving, and magnifying.

4. The single most important factor in determining how well it will perform is an aperture, or the diameter of a telescope’s lens or mirror.  It also uses to determines the aperture and the sharpness and brightness of the images.

5. Hubble space telescope(HST) is the most expensive one. It amounts $2.1 billion and it is replaced by the Webb telescope it is lunch in 2018, $8.3 billion is it’s estimated cost.

hubble telescope

6. The successor to the Hubble Space Telescope is the James Webb Space Telescope, which is scheduled to be launched in 2018. Furthermore, it will observe in infrared and will have a 21.3-foot (6.5-meter) mirror, which will allow for an extremely high resolution to cosmic images.

7. Refractor, Reflector and catadioptric are the basic telescope designs. A refractor telescope has a big lens at the front to collect and concentrate light. A reflector telescope uses a mirror to do this. Most small telescopes are certainly refractor telescopes. Almost all large telescopes are reflectors. In Addition, Catadioptric telescopes are a combination of mirrors and lenses and are the most modern design.

9. To see and allow us to resolve the fine details we can use telescopes. – Because of the wave nature of light and the nerves in our eyes, we can only see details about the same angular size as Jupiter’s width.

10. Space telescopes  separates into 3 general categories:

     a. Those who are exploring the data coming out from Earth.

     b. Those who are detecting electromagnetic signals from within our solar  system

     c. Those who are looking outside of our solar system.

11. Two probes did the Radio astronomy – HALCA (1997-2005) and RadioAstron (2011- ).

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