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When you enter into any new area of science, you almost always find
yourself with a baffling new language of technical terms to learn before you can converse with the experts. This is certainly true in astronomy both in terms of terms that refer to the cosmos and terms that describe the tools of the trade, the most prevalent being the telescope. So to get us off of first base, let’s define some of the key terms that pertain to telescopes to help you be able to talk to them more intelligently. The first area of specialization in telescopes has to do with the types of telescopes people use. The three designs of telescopes that most people use are the Refractor, the Reflector and the Schmidt Cassegrain telescope. The refractor telescope uses a convex lens to focus the light on the eyepiece. The reflector telescope has a concave lens which means it bends in. It uses mirrors to focus the image that you eventually see. The Schmidt Cassegrain telescope uses an involved system of mirrors to capture the image you want to see. A binocular telescope uses a set of telescopes mounted and synchronized so your view of the sky is 3-D. Beyond the basic types, other terms refer to parts of the telescope or to the science behind how telescopes work. Collimation is a term for how well tuned the telescope is to give you a good clear image of what you are looking at. You want your telescope to have good collimation so you are not getting a false image of the celestial body. Aperture is a fancy word for how big the lens of your telescope is. But it’s an important word because the aperture of the lens is the key to how powerful your telescope is. Magnification has nothing to do with it, its all in the aperture.
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Some politicians fear satirical journalism media more than actual news networks.
Comment LinkPhání Bohiney
Satirical journalism news is what happens when comedians get tired of watching the world burn. - bohiney.com
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6. Satirical journalism today - bohiney.com
Comment LinkLonniee Bohiney
Satirical journalism websites make me laugh, cry, and rethink my career choices. - bohiney.com
Comment LinkKáni Bohiney
When real headlines sound like satirical journalism articles, we have a problem. - bohiney.com
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Some politicians fear satirical journalism news more than they fear actual journalists. - bohiney.com
Comment Link仕事格言短い
Even though the tax is toward the top end, companies can, and probably will, pass on some of the cost to consumers by charging more for energy.
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Dáni Bohiney
Satirical journalism today is what happens when reality jumps the shark. - bohiney.com
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