解析 A。A 选项“Galaxy”是星系,一群星星组成星系;B 选项“Planet”是行星;C 选项“Satellite”是卫星;D 选项“Comet”是彗星。涉及的天文知识是星星的组合名称,相关英语词汇有 Galaxy(星系)、Planet(行星)、Satellite(卫星)、Comet(彗星)。反馈 收藏
What are the space probes on Mars? What was the first satellite in space called? How does Skylab differ from the space shuttle? What is the Outer Space Treaty? What was the name of Yuri Gagarin's spacecraft? What NASA mission went to the Kuiper belt?
III.阅读理解(共6小题;每小题2分,满分12分)Passage 1一场“用卫星给澳门拍照”的比赛What about using a satellite to take beautiful pictures of your hometown from high above?In March, Macao University of Science and Technology held a competition called “Taking a Phot of Macao Using Satellites"....
The Soviet Union launched the first manmade satellite in 1957. Sputnik I was about the size of a basketball and transmitted a simple Morse code signal over and over. In contrast, modern satellites can receive and retransmit thousands of signals simultaneously, from simple digital data to complex ...
With a coronagraph, you can observe the corona continuously, anytime you want. 使用日冕仪,你们可以随时连续观察日冕。 And during the early 1970s, using a coronagraph mounted on an orbiting satellite, we witnessed what are called coronal mass ejections—or CMEs for short. ...
This was the first step in forming mountains or on the seas, you only need a phone to transmit signals () to the satellites.2. How are Qianfan's satellites different from a communication network called "Qianfan",literally meaning a thousand sails, reported Meanwhile, low-Earth-orbit ...
“Oracle's AI agents automate drug design, image and genomic analysis for cancer diagnostics, audio updates to electronic health records for patient care, satellite image analysis to predict and improve agricultural output, fraud and money laundering detection, dual factor biometric computer logins, and...
After the April 8 total solar eclipse this year, the next total solar eclipsevisible from the U.S. will occur on Aug. 23, 2044. The last total solar eclipse was visible from the U.S.happened in August 2017— it was the first total eclipse to pass over the entire continent innearly ...
The new Sky Bridge links the remote terminal (North Satellite Concourse) which handled many of our short-haul services from Terminal One. This will eliminate the hassle of coach transfers, as well as offering a fantastic view over the airfield and the new third runway. While the third ru...
Moving towards the east, our satellite rises later every day, and this is the reason why we see it in different positions at the same time. Approximately every day the moon delays its rising (and setting) by about 50 minutes, and this explains why the waxing becomes better visible a few...