The discovery of new planets is an exciting ___ in astronomy. A. event B. accident C. incident D. occurrence 相关知识点: 试题来源: 解析 A。本题考查名词的辨析。“event”表示“大事,事件”,新行星的发现是天文学中的一件令人兴奋的大事。“accident”表示“事故”;“incident”表示“小事件”;“...
Interview: Geoffrey Marcy discusses the discovery of new planetsIRA FLATOW
Also, to be fair, the discovery of a new planet was the last thought in anybody’s mind. But further observation by other astronomers besides Herschel revealed two curious facts. For the comet, it showed a remarkably sharp disc; furthermore, it was moving so slowly that it was thought to...
The new planets are called “sub Neptunes” because they’re bigger than the close-in, rocky worlds of our solar system, such as Earth and Venus, but not as big as the ice giants Neptune and Uranus. They range from two to three times the diameter of Earth. The innermost planet ...
Theyhave___(关心;协助;参与)thediscoveryofplanetsroundthefourthstarinthePleiadessystem.相关知识点: 试题来源: 解析 参与 首先,句子使用现在完成时(have + 过去分词),需从选项中选出合适的动词过去分词。 1. **关心(cared)**:通常需搭配介词“about”(care about),但原句未提供介词,且“关心发现”语义不符...
The discovery of planets around distant stars has become like space-shuttle launches—newsworthy but just barely. With some 50 extrasolar planets under their belt, astronomers have to announce something really strange to get anyone’s attention. Last week they did just that. Standing in front of ...
What is the new discovery?根据您输入的内容,为您匹配到题目: **What is the new discovery?** A. New stars with orbiting planets are discovered. B. Traces of life are found on some planets. C. The orbits of some planets are discovered. D. New planets are found outside our solar system...
‘Voyager 2‘ : an unmanned spacecraft sent on a voyage past Saturn, Uranus and Jupiter in 1986; during which it sent back information about these planets to scientists on earth .Questions 27-31 Complete the table below. Write a date for each answer. Write your answers in boxes 27-31 ...
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根据第一段“With the fast development of astronomy, astronomers are eager to find a hint of the familiar: planets that resemble Earth. By pushing technology to the limits, astronomers ar idly approaching the day when they can find another Earth.(随着天文学的快速发展,天文学家们渴望找到一个熟悉...