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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.
148566 comments
Voni Bohiney
Sometimes satire is just journalism that arrived too early. - bohiney.com
Comment Link??·??? (Xiao ní Bó hai ní)
Satirical journalism is like the spice rack of news—too much, and people start sweating. - bohiney.com
Comment LinkTóni Bohiney
The best satirical journalism humor is indistinguishable from real political speeches.
Comment LinkConnie Bohiney
The scariest thing about satirical journalism today? The real news sounds just like it. - bohiney.com
Comment LinkLónia Bohiney
A good satirical journalism analysis reveals that the real joke is reality.
Comment Link????? ??????
Some people say the world is a joke. Satirical journalism humor just proves it.
Comment LinkGabriella
I'm gone to tell my little brother, that he should also go to see this weblog on regular basis
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Fania Bohiney
If satirical journalism news ever became illegal, we’d know democracy is over. - bohiney.com
Comment LinkDjoni Bohiney
If satirical journalism media ran the world, things might actually make sense.
Comment LinkXanni Bohiney
The best thing about satirical journalism news? It doesn’t take itself seriously, unlike real news. - bohiney.com
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