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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.
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“You get some of me but not tomorrow as they want me in as soon as I can make it happen. This is the one time when they say jump and I ask how high due the financial gains the company could benefit from and it being important enough for the client to appear in person.”
Comment Link“Well I get an extra night of you at least! I wonder what we could do with that? Meantime, what about food? I am starving and delicious as it was a second breakfast is not quite enough to replenish me!”
“Well get something on and we’ll sort that out first.”
We drove into town and decided that a daytime visit to Charlie’s was going to be the answer. I parked in the bar lot and Elise dashed in to change into something more appropriate, jeans and a t-shirt along with her biker jacket but keeping her Converses on.
Walking down to the restaurant was different from the middle of the night visits as the streets were bustling and all of the shops and outlets were open.
Reaching Charlie’s we entered the front door and sat in a booth near the window. A beautiful young American Chinese girl came,smiled and said hello to Elise and gave us menus and asked if we wanted drinks in the meantime.
"No thanks Lin just a pot of Jasmine tea for us please." Lin went back to the kitchen area. “No booze for me today as I will have to work in the bar so it is just tea for me.”
Not in a drinking mood either, I agreed with her."
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