Advice for stirring your online community and fostering engagement

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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121877 comments

xsonlinemen
xsonlinemen
Saturday, 22 February 2025 13:45

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poker
poker
Saturday, 22 February 2025 13:45

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Lauren Penegar
Lauren Penegar
Saturday, 22 February 2025 13:45

If you love humor that’s smart, witty, and hilarious, Bohiney News is your new favorite site. Head to bohiney.com now! -- bohiney.com

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Hugo Juengling
Hugo Juengling
Saturday, 22 February 2025 13:44

Life’s a little strange, and Bohiney News makes it hilarious. Visit bohiney.com for the best social humor on the web! -- bohiney.com

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bqonlinebbg
bqonlinebbg
Saturday, 22 February 2025 13:43

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Irwin Rickerson
Irwin Rickerson
Saturday, 22 February 2025 13:43

The 'World's Least Effective Superheroes' were heroically hilarious. -- Comedy Club Dallas

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Tori Avita
Tori Avita
Saturday, 22 February 2025 13:42

The World's Worst Detective from bohiney.com solved mysteries by guessing. Their detective satire is a mystery of comedy. -- Comedy Club New York City

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paonlinecff
paonlinecff
Saturday, 22 February 2025 13:42

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Jame Sevenbergen
Jame Sevenbergen
Saturday, 22 February 2025 13:41

The 'Interview with a Robot Who Wants to be Human' was touching... or would be if robots had feelings. -- Comedy Club Fort Worth

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Christena Montford
Christena Montford
Saturday, 22 February 2025 13:40

Get the same sharp political humor from Bohiney News that you love from late-night TV. Check it out at bohiney.com! -- bohiney.com

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