Telescope: An Exploration of the Heavens in the Depths of Space

Posted by Elite Internet Technologies on December 22nd, 2015

The world in which we live and breathe is vast. We have everything, from tiny microorganisms to blue whales. Because of this,we remain unaware of many things.
Speaking of size, there are at least 10 trillion planets in the universe, our earth being just one of them. For all we know, the universe is boundless, endless and unfathomable. We hear about people observing tiny organisms under a microscope and we think there are so many tiny things in our world, a lot of which is still unexplored, and it's hard to imagine the vastness of space.
Until the 20thcentury, we had never had any space explorations, but we knew space existed. So how did scientists find, verify and study space until that time? The answer is with the help of telescopes. Because the technology since Galileo’s time has advanced a lot, we have many types of telescopes that help us to observe the depths of space. The development is so much further ahead than what it was then, that now we are not only able to observe but capture images of space and study them at our leisure.
Types
Telescopes come in three types: refractors, reflectors and catadioptric telescopes.
Refractor telescopes were among the first telescopes to be invented. These telescopes use lenses as a base to help observe outer space. A basic set up uses a couple of lenses that refract the light of objects from outer space, which can be viewed through an eyepiece in the telescope.
The reflector telescope is the most used telescope these days. Developed after the refractors, these use a single or a combination of mirrors. These were developed because they offer large diameters or apertures that increase the range of objects that can be observed in bigger telescopes.In addition, some wavelengths get absorbed when using refractors, which isn’t the case with reflectors.Catadioptric telescopes are a combination of both mirrors and lenses.
Other telescopes are used by astronomical organizations for various purposes, like X-ray telescopes, ultraviolet telescopes, optical telescopes, infrared telescopes, sub-millimetre telescopes, Fresnel telescopes, X-ray optics and so on.
Large reflector telescopes are easy to construct as the backside of the mirror can be supported. The largest refractor has a diameter of 10 meters whereas the largest diameter of a refractor is 1 meter. The aperture size of a telescope helps in avoiding chromatic aberration too.
Researchers as well as astronomical enthusiasts use small telescopes to observe comets, planets, novas, stars and more. These telescopes have an aperture that is less than 6-10 inches in diameter.
Woodland Hills Camera and Telescopes have been serving telescope enthusiasts since 1952. With an experienced staff and a 24-hour sales team who are eager to serve, they deal in a variety of telescopes from computerized to Celestron telescopes for beginner stargazers.