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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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Comment Linkمكافأة الترحيب
مكافأة الترحيب
Comment Linkابدأ رحلتك في كازينو YYY بمكافأة ترحيبية مذهلة.
في اللحظة التي تقوم فيها بالتسجيل وإجراء أول إيداع
لك، نحتفل بوصولك من خلال مطابقة المبلغ الأولي الخاص بك، مما يضاعف رصيدك
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هذه الترحيبة السخية هي طريقتنا لتقديمك إلى عالمنا حيث كل لعبة تصبح فرصة وكل دورة تقربك أكثر من الفوز الكبير التالي.
ليست مجرد وقت لعب إضافي—إنها بوابتك
إلى تجربة كازينو مثيرة مليئة بالفوز المحتمل.
مكافأة بدون إيداع
لأولئك الذين يتوقون للغوص
في الفعاليات دون تأخير، تقدم مكافأتنا بدون إيداع البداية المثالية.
هذه الصفقة الحصرية تتيح للاعبين الجدد
استكشاف تشكيلة واسعة من الألعاب في كازينو
YYY دون أي استثمار أولي.
إنها فرصة لا تقدر بثمن للتنقل عبر عروضنا، واكتشاف الفتحات
أو ألعاب الطاولة المفضلة لديك، وبدء مغامرتك
دون مخاطر، مع فرصة للفوز بمال
حقيقي. ما عليك سوى التسجيل، والمطالبة بمكافأة بدون إيداع، ودع الإثارة تبدأ.
مكافأة الولاء
في كازينو YYY، الولاء لا يمر دون مكافأة.
تم تصميم نظام مكافأة الولاء لدينا لتكريم
التزام لاعبينا العائدين. كلما واصلت
اللعب، تتراكم النقاط التي يمكن تحويلها إلى مكافآت
حصرية، عروض ترويجية خاصة، وحتى نقد.
كلما لعبت أكثر، كلما حصلت أكثر.
مكافآت الولاء هي طريقتنا لقول
'شكرًا' لاختيارك كازينو
YYY كوجهتك المفضلة للألعاب.
للاستفادة القصوى من عروض المكافآت لدينا، ضع في اعتبارك هذه النقاط الرئيسية:
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