A语篇类型:说明文主题:太空垃圾 词数:300 难度:建议用时:7分钟In 1957, the Space Age began with the launch of Sputnik 1, the first man-made satellite. Since then, the number of objects humans have launched into the universe has risen to the thousands. As these objects complete their missions...
In 1957, the Space Age began with the launch of Sputnik 1, the first human-made satellite. Since then, the number of objects humans have launched into the universe has risen to the thousands. As these objects complete their missions or become inoperable(不实用的), they are left in orbit ...
The launch of Sputnik 1, the first satellite orbiting Earth, in 1957, followed by US satellite Explorer 1 in early 1958, triggered what we call the space race. Of course, there had already been space activities undertaken before that date on both sides of the iron curtain. The launch of ...
On January 31st, 1958, 119 days after the launch of Sputnik 1, all this was put to the test. And it worked! 1958年1月31日,“Sputnik”1号发射后的119天,所有设备都投入测试并且成功了! Getting into space was a big enough accomplishment, 进入太空本身就是一项了不起的成就, but Explorer 1 ...
60 years ago, on 4 October 1957, the USSR successfully launched into space the FIRST SPUTNIK (artificial Earth satellite). From this date begins the countdown of the space age. Information and mathematical software is an integral component of any space project. Discusses the history and future ...
太空垃圾有多可怕?Since the dawn of Sputnik in 1957, space-faring nationshave been filling Earth's orbital highways with satellites:GPS, weather forecasting, telecommunications. Decadeslater orbital debris is a growing problem.Orbital debris, commonly known as “space junk", existsat all levels of ...
【解析】】①中“thelaunchof”意为“发射”,“theSputnik 1 sate\llite”意为“斯普特尼克一号卫星”,“signalled”意为“标志着”。②中“communications”意为“交流”,“craft”意为“飞船”,“deepspace”意为“外太空”,“through”意为“通过”,“radiosignals”意为“无线电信号”。结合整句可知①标志...
Space people turned towards fuel cells after the launch of the Sputnik in 1957. Initially the fuel cells had applications in the NASA – National Aeronautics and Space Administration. These cells were employed by the NASA in the moon landing missions and Earth orbit space capsules. There, it wa...
Beginnings With the launch of Sputnik, Americans were concerned about Soviet dominance in space. The United States had been planning to launch its first scientific satellite in December 1957. However, two launch attempts using the Navy's Vanguard rocket ended in disaster. ...
The Sputnik crisis was a period of public fear and anxiety in Western nations about the perceived technological gap between the United States and Soviet Union caused by the Soviets' launch of Sputnik 1, the world's first artificial satellite. The crisis was a significant event in the Cold War...