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Browse Articles in Category "Telescopes"Different Types of Telescopes
From the Greek tele which means far and skopein which means to see, a telescope helps us to see the remotest of objects. Whether they be 50 feet away or in another galaxy, telescopes have been around since the 1600's to aid us in viewing the fascinating space all around us. There are as ...
Creating Your Own Telescope
Materials that you will need: Magnifying glass, Masking tape, Flashlight, Thin piece of paper, a pair of reading glass with low numbers, yardstick, and an assistant.
Tape the reading glasses to the yardstick making sure one lens is out on the side. ... Basic Tips for Using Telescopes
Telescopes tend to come in two different types – Reflectors and Refractors. A Reflecting telescope is good for looking at galaxies and starclouds, and they allow the observer to see sharp images. They are also less expensive than ...
Astrophotography
Astrophotography can be a rewarding pastime for some beginner astronomers. Conventional 35mm cameras, Schmidt cameras, and CCD or Digital cameras can be used to take your spectacular pictures.
The right pieces are needed to make this a success. You will need ... Achromatic versus Apochromatic Lenses in Telescopes
In 1733, an Englishman, Chester Moore Hall, created the Achromatic refracting lens. His design limited the color aberrations by using two pieces of glass that were both ground and polished. These lenses usually were employed to see red and blue light. However, the design does not ...
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