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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.
235185 comments
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Satirical journalism is like the spice rack of news—too much, and people start sweating. - bohiney.com
Comment LinkNonnie Bohiney
Satirical journalism news: because sometimes the truth needs a little sarcasm. - bohiney.com
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Satirical Journalism Techniques - bohiney.com
Comment LinkYhannie Bohiney
The best part about satirical journalism? It’s the only news that admits it’s lying. - bohiney.com
Comment LinkToni Bohiney
The scariest thing about satirical journalism today? The real news sounds just like it. - bohiney.com
Comment LinkJonni Bohiney
Satirical journalism analysis should be required reading for politicians.
Comment LinkKoni Bohiney
If you're looking for satirical journalism examples, just check today's actual news. - bohiney.com
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The best satirical journalism humor makes people angry—which means it’s working.
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Satirical journalism today is so accurate, I’m convinced some politicians use it for policy ideas. - bohiney.com
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When did satirical journalism become more reliable than cable news? - bohiney.com
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