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.
370197 comments
MichaelRef
where to buy clomid australia
Comment LinkSamuelgok
best online pharmacy india
Comment LinkRicJal
purchase amoxicillin 500mg neurontin online usa allopurinol 2084 citalopram hbr 40 mg tablets malegra 150 buy levitra online canada disulfiram cost australia
Comment LinkJosephZOP
prozac price nz ciprofloxacin 250 mg price wellbutrin online cost of diflucan tablet prednisone pharmacy
Comment LinkMiclNeofe
tadalafil tablets 10 mg online
Comment LinkRodneysohof
buy antabuse online
Comment LinkWilliamnib
where can i buy diflucan without a prescription malegra 120 how much is sildenafil lipitor 10mg tablets 1500 mg gabapentin
Comment LinkMichaelRef
buy viagra in us online
Comment LinkSamRoaro
buy viagra medicine online india synthroid discount order azithromycin canada
Comment LinkWilliamnib
propecia 5mg sale cymbalta online coupon terramycin capsule buy propecia online canada where can you buy valtrex over the counter generic levitra in india
Comment Link