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  1. ..._Space_Station The Hubble Space Telescope (HST) is a space telescope that was carried into orbit by...

  2. ... by a high magnifying power. Assume the light enetering into the telescope from a distance object is the same, then it is apparent that the light ...

  3. Sky & Telescope (S&T)天空與望遠鏡雜誌是一本資料豐富的天文雜誌, 內容深入淺出...

  4. An astronomical telescope is designed to view very distant object, such as heavenly bodies...

  5. The Keplerian Telescope , invented by Johannes Kepler...focal length and even longer tubeless "aerial telescopes " were constructed). The...

  6. For a telescope , the focus of the objective and the eyepiece must be coincidence, that means at the same point. Therefore the separation between them: 50+10 = 60cm so that is is at normal adjustment

  7. A telescope (from the Greek tele = 'far' and skopein = 'to look or...observation of remote objects. The term usually refers to optical telescopes , but there are telescopes for most of the spectrum of electromagnetic radiation...

  8. 哈勃太空望遠鏡 由於地球大氣層的阻隔,人類一直未能看清外太空的景像,直到1991年哈勃太空望遠鏡升空才達成了人類此一願意。 地球大氣層會折射光線,令景象無法達到極度清楚,再加上天氣轉變的影響,人類無法全天候監察太空。 哈勃望遠鏡放在太空中,沒有天氣的影響,能隨時隨地作出觀察...

  9. Telescope A telescope is an instrument designed for the observation of remote... in the Netherlands at the beginning of the 17th century. " Telescopes " can refer to a whole range of instruments operating in most...

  10. How chooses your telescope Foreword: Here only is chooses the telescope some... optics product all has its limit, if you want are the effect, telescope objective lens(caliber)count for much, if wants is convenient, please take the...

    分類:教育及參考書 > 教學 2007年01月11日