Scientists have recently discovered a new planet that is ___ times larger than Earth. Which of the following is the most appropriate number? A. five B. fifth C. fiveth D. fivteenth 相关知识点: 试题来源: 解析 A。解析:本题考查数词的用法。根据题意是说新发现的行星比地球大几倍,这里需要...
It is said that the new planet was discovered ___. A. by accident B. on purpose C. in danger D. in trouble 相关知识点: 试题来源: 解析 A。本题考查短语的用法。“by accident”表示“偶然;意外地”,符合发现新行星的语境。“on purpose”意思是“故意地”,不符合发现新行星的情况。“in dange...
Nicknamed Gaia by the NASA-led research team, the new planet is among a recently discovered class of objects known as Arjunas. "An Arjuna is a body in a very earth-like orbit," said NASA astonomer Gorman Thomas. "They are analagous to Jupiter's trojan asteroids, sharing Earht's orbit ...
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The new planet, β Pictoris c, completes its orbit roughly every 1,200 days. Like its big sister β Pictoris b, discovered by Lagrange and her team in 2009, it is a gassy giant. Visible with thenaked eye, Beta Pictoris—with a mass nearly twice that of the Sun—is a newborn by...
1It is reported that a new planet has been discovered recently. It's ___ Earth, and hopefully it can support human life. [ ]A. almost three times the size of B. three times the size than C. three times almost as large as D. almost three times as larger as 2A new planet has ...
The new planet discovered recently is almost___ (三倍大) Earth, and hopefully it can support human life. 答案 three times as large as.根据所给的汉语提示"三倍大"可知此处考查倍数的表达:倍数+as…as,"三倍"的英语是three times,"大"的英语是large,"三倍大"译为three times as large as,故填...
Researchers have identified HD 63433d, an Earth-sized planet that is both closer and younger than previously discovered planets of similar size. Its proximity to a youthful, sun-like star provides a unique case study for planetary evolution. (Artist’s concept.) Credit: SciTechDaily.com ...
t stop there. Experts think this planet has enough gravity to keep an atmosphere around it. They say there’s also a good chance that there’s water on the planet. But there is at least one difference and it is pretty significant. One of the scientists who discovered the planet explains...
NASA has compiled a list of nearly 5,000 possible planets, more than 3,200 of which have been verified – including 2,325 that were discovered by Kepler. To be classified as a planet, researchers must confirm its status within a 99 percent likelihood. The research that led to the confirma...