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

190219 comments

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Monday, 10 February 2025 00:49

From fiery festivals to nature's most dazzling "sky-dance", interest in the night skies is booming, with "noctourism" poised to be a major travel trend in 2025.
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Interest in the night skies is booming. Booking.com recently named "noctourism" as a top travel trend for 2025, with their survey of more than 27,000 travellers finding that around two-thirds have considered going to "darker sky destinations" to experience things like starbathing (lying down and looking at the night skies) and witnessing once-in-a-lifetime cosmic events.
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"The cool thing about night adventures is you see so many different sides to a destination, by just staying up late or rising early," says Stephanie Vermillon, author of the new book 100 Nights Of A Lifetime: The World's Ultimate Adventures After Dark. "Our senses are heightened, and there are things you see at night that you don't see any other time, so everything feels exciting and new."
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It was a 2010 trip to Morocco that sparked Vermillon's interest in all things nocturnal. "I grew up in Dayton, Ohio, which has terrible light pollution," she tells the BBC. "Then I went to the Sahara Desert and camped under the stars – I saw the Milky Way and two dozen shooting stars that night. I went home, took an astronomy class and later started hunting Northern Lights, which got me curious about what else happens around the world after dark."

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Here are five of Vermillon's favourite after-dark experiences, from fiery cultural festivals to nature's greatest sky dance.
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Monday, 10 February 2025 00:48

From fiery festivals to nature's most dazzling "sky-dance", interest in the night skies is booming, with "noctourism" poised to be a major travel trend in 2025.
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Interest in the night skies is booming. Booking.com recently named "noctourism" as a top travel trend for 2025, with their survey of more than 27,000 travellers finding that around two-thirds have considered going to "darker sky destinations" to experience things like starbathing (lying down and looking at the night skies) and witnessing once-in-a-lifetime cosmic events.
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"The cool thing about night adventures is you see so many different sides to a destination, by just staying up late or rising early," says Stephanie Vermillon, author of the new book 100 Nights Of A Lifetime: The World's Ultimate Adventures After Dark. "Our senses are heightened, and there are things you see at night that you don't see any other time, so everything feels exciting and new."
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It was a 2010 trip to Morocco that sparked Vermillon's interest in all things nocturnal. "I grew up in Dayton, Ohio, which has terrible light pollution," she tells the BBC. "Then I went to the Sahara Desert and camped under the stars – I saw the Milky Way and two dozen shooting stars that night. I went home, took an astronomy class and later started hunting Northern Lights, which got me curious about what else happens around the world after dark."

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