34.C.段落大意题.根据第四段第一句Gaia,which is to be sent into space in 2011,will be a powerful telescope.可知,Gaia将是一个强大的望远镜.故选C. 35.D.推理判断题.根据第五段倒数第二句The next generation of telescopes will reveal new parts of our universe that will seem surprising.可知,下...
C. New space telescopes are better than old ones. D. Webb might detect the light of the first stars.33. What is paragraph 4 mainly about? C 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.34. ...
"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...
You would be looking for at least 32 GB RAM and 1 TB SSD – but MacBooks with specs lower than that are still suitable thanks to the proficiency of the memory technology. If you're hoping to take a laptop out with you in the field, to use alongside one of the best telescopes or ...
X-ray images from both ESA’s XMM-Newton andNASA’s Chandra space telescopes, millimeter wave observations with theALMAand NOEMA arrays, and more detailed radio observations with the US National Radio Astronomy Observatory’s VLA telescopes to confirm the object’s status as an AGN, and specifica...
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. ...
These density waves are thought to cause the spiral nature of the galaxy. So, by examining the sky in multiple wavelengths (radio, infrared, visible, ultraviolet, X-ray) with various ground- and space-based telescopes, we can get different views of the Milky Way. The Doppler Effect Much ...
Fast radio bursts, or FRBs, are an astronomical mystery, with their exact cause and origins still unconfirmed. These intense bursts of radio energy are invisible to the human eye, but show up brightly on radio telescopes. Previous studies have noted broad similarities between the energy distributi...
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. ...
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...