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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Scores of unexploded World War II bombs discovered under children’s playground
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Scores of unexploded bombs dating from World War II have been recovered from a children’s playground in northern England after a chance discovery.

Local officials in the town of Wooler, Northumberland called in bomb disposal experts after workers involved in a planned overhaul of Scotts Play Park found unexploded ordnance, the parish council said in a statement sent to CNN on Monday.

Two bombs were initially removed by the British Army, the UK Ministry of Defense said in a statement. The parish council was then advised that a full survey of the area was required, according to a council spokesperson.
Bomb disposal company Brimstone Site Investigation then uncovered 65 10-pound practice bombs and smoke cartridges on the first day of works, with a further 90 practice bombs recovered on the second day.

The company told CNN that the bombs date from World War II.

According to the parish council, all of the bombs need to be found and removed before the park can be reopened. It said 174 devices had been found so far.

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LSU criticized after bringing caged live tiger into stadium before defeat to Alabama
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No. 15 LSU has been criticized for unveiling a live caged tiger in its stadium for the first time in almost a decade before they were routed 42-13 by No. 11 Alabama in their SEC showdown.

Ahead of “The First Saturday in November,” a live tiger named Omar Bradley, owned by Florida resident Mitchel Kalmanson, was brought out in an enclosed cage with a black curtain over it, before the stadium lights went dark and a spotlight flashed onto the cage as it was unveiled.
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The tiger laid down and then paced around his cage, which was attached to a truck, while photographers crowded around it, still keeping their distance. After a few minutes, the cage was slowly driven off the field at Tiger Stadium in Baton Rouge, Louisiana.

LSU has a long tradition of bringing caged tigers into the stadium on gamedays but, since 2015, the school has moved away from this and instead keeps its current live tiger mascot named Mike VII in a 15,000-square-foot enclosure on campus.
But Louisiana Gov. Jeff Landry pushed for the return of this tradition, much to the frustration of the LSU community, which circulated several petitions against the practice which gathered more than 27,000 signatures between them by Sunday morning.

Footage posted on social media also showed protesters outside the stadium holding placards with slogans including, “Justice for Omar” and “Did Tiger King teach us nothin’.”

For Landry, having a live tiger on the field was all about “tradition,” he told FOX News on Friday.

“This is about from Mike One through Six, we have had a live mascot on the field like many other colleges have before,” he said.

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