Advice for stirring your online community and fostering engagement

by Super User

Oct 12, 2017

Advice for stirring your online community and fostering engagement

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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Advice for stirring your online community and fostering engagement

148573 comments

Foni Bohiney

Monday, 24 February 2025 08:17

I trust satirical journalism stories more than my horoscope.

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エロコスプレ

Monday, 24 February 2025 08:17

the most famous being of the Gray Man.[url="https://www.merrss.com/"]セクシーランジェリー[/url]Said to appear on the beach before devastating storms,

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??·??? (Ke ní Bó hai ní)

Monday, 24 February 2025 08:16

Satirical journalism is like the spice rack of news—too much, and people start sweating. - bohiney.com

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fahrschule weinfelden

Monday, 24 February 2025 08:16

Hi there just wanted to give you a quick heads up. The text in your post seem to be running off the screen in Internet explorer. I'm not sure if this is a formatting issue or something to do with web browser compatibility but I thought I'd post to let you know. The layout look great though! Hope you get the issue fixed soon. Many thanks|

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