题目Telescopes(望远镜)have come a long way since the first ones were invented early in the 17th century.Traditional telescopes allow astronomers to view objects in space thanks to the visible(看得见的)light those objects emit(发出),or reflect.However,for modern telescopes,any Electrom...
will not be put into use in a short time . will just look at new things in universe . will be more powerful than the old generations. 相关知识点: 试题来源: 解析 32.A.细节理解题.根据第三段前两句Gaia will be sent into space connected to a rocket.It contains two telescopes,each ...
Kraus and his colleague, Michael Ireland from Macquarie University and the Australian Astronomical Observatory, used Keck telescopes on Mauna Kea(a volcano on the island of Hawaii, US) to find the planet. Kraus presented the discovery Wednesday at NASA’s Goddard Space Flight Center in Maryland. ...
The LAMOST survey, capable of taking 4,000 spectra in a single exposure, has released spectra for more than 10 million stars, approximately 220,000 galaxies, and some 71,000 quasars, twice as large as the spectra obtained from other ground-based sky survey telescopes put together. Such a m...
"One reason we have a lot of back and forth about putting telescopes to the moon [is that] the state of the art on the ground, on Earth, and in space has advanced so far during the last 50 years that it's difficult for us to imagine what we would put on the surface in the UV...
"Adaptive optics and guide stars are really meant to allow you to get the full angular resolution capabilities of the big ground-based telescopes; in space, we are taking advantage of our access to wavelengths that, from Earth, are 'blocked' by the atmosphere." 机译:从哈勃的“谦虚”开始...
Gaia will be sent into space connected to a rocket. It contains two telescopes, each focused at a different angle (角度). These two telescopes act like Gaia’s “eyes”. The reason why humans can see things in 3D is that we have two eyes focused on the same object, at slightly differ...
Whether you want to glimpse the last full moon of the year on Dec. 15 in extraordinary detail or watch the Ursids Meteor Shower on Dec. 21, it's important to pair one of the best telescopes with an equally capable laptop – especially if you are observing on the move. A great laptop...
C. New space telescopes are better than old ones. D. Webb might detect the light of the first stars. 2. What is paragraph 4 mainly about? A. The distance Webb can see. B. The type of shelters Webb has. C. The unique mirror Webb carries. D. The position Webb is put in. 3. ...
3.invisible,考查推理判断题,根据第二段:Astronomers found the ring in February,but they did not find it using telescopes here on Earth.Instead,they used NASA's Spitzer Space Telescope2月天文学家发现了环,但是他们没有使用望远镜在地球上找到它.而是他们使用NASA的斯皮策太空望远镜.所以不...