这里中心词是 “space telescope(太空望远镜)”,是可数名词单数形式。形容词 “expensive” 修饰 “space telescope”。按照“What+(a/an)+ 形容词 + 名词 + 主语 + 谓语!” 的结构,这里要用 “What an”,因为 “expensive” 是以元音音素开头的单词,所以要用 “an”。如果用 “How” 的话,句子应该是 ...
—Yeah! Telescopes(望远镜) offer those people who are ___ about space a chance to explore(探索) on Earth. A. curious B. organized C. patient D. serious 相关知识点: 试题来源: 解析 A 【详解】 句意:——Tom,你得到一个新的望远镜。真棒啊!——是啊!望远镜为那些对太空好奇的人提供了在地球...
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Second, the measurement from the bottom of the tripod to the top of the finder is 52cm. That's about 20.5 inches. So you'll need to put it on a table. My first telescope when I was a teenager had a short tripod and had to be put on a table. I didn't like. And it would h...
Conversely, an alt-azimuth fork mount is one of the simplest to operate. That’s because the telescope will move in a basic horizontal and vertical motion, making it easy to move the scope to your intended target. With a fork mount, the telescope might be secured between two forks (so ...
百度试题 结果1 题目 2. After Galileo figured out_ how to make a telescope, he built one and used it to study the moon. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
结果1 题目 27. How did scientists create the telescope technology? A A. By simulating the lobsters'eyes. B. By observing lobsters'movement. C. By doing experiments on sea animals. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏 ...
For a cradle-style mount, simply make sure it’s on a relatively flat surface. Try to keep the telescope off of the grass if possible. The soft grass may become very wet with condensation as the night progresses. Align Telescope and Finder Scope ...
Make sure that your camera is securely fastened to the focus tube. The last thing you would want is for it to fall out when your telescope is pointed upwards. The heavier your camera and accessories (imaging payload), the more demand it will put on your focuser draw tube. My DSLR camera...
Learning how to photograph the moon is a gateway niche to astrophotography. It's easy to do and doesn't require as much equipment as star or Milkyway photography.