To answer the question “Could life exist on other planets?” we must first look at the necessary preconditions for life.Where would the sentence best fit? Click on a square [■] to add the sentence to the passage. 正确答案:A 显示答案 进入答题 问题反馈收藏题目...
It was an entertainment used to teach astronomy more than real considerations about the habitability of our solar system, but it opened the way to some reflections about the possible life forms on other planets. The nineteenth century took up this idea again in a context of planetary studies ...
结果1 题目 1. It could be that life exists on other planets and moons. A A. Life might exist on other planets and moons. B. Life must exist on other planets and moons. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
Scientists say it could be 1,500 years before humans make contact(联系)with aliens(外星人),or for them to communicate with us.Astronomers from Cornell University in the USA combined(结合)two theories about the possibility of life existing on other planets to form a new one.One of these theo...
Life on Earth began in the oceans. In the hunt forlife on other planets, the potential for liquid water is therefore a critical component. To find it, researchers have traditionally looked for planets similar to our own. Yet, long-term liquid water does not necessarily ha...
The world’s 2500 rarest minerals have now been categorised for the first time, revealing intriguing implications. Most have been formed in processes directly or indirectly related to living organisms, and so they may serve as a signature of life on other planets, the authors suggest. ...
A Canary Islands volcano pushed rivers of molten lava through the earth. Now scientists and explorers trek through the cooling underground, looking for insights into life on this planet—and perhaps on others.
阅读理解Is there intelligent (有智力的) life on other planets?2025, we could make contact with other life forms in our For years, scientists said "no" or "we don't know". But universe and we might help each other. "today this is changing. Seth Shostak and Alexandr a Barnett11. Seth...
If people could live on other planets in the future, life ___ very different. A. 老层积深口观进老层积深口观进would be老层积深口观进老层积深口观进 B. 再转议建万县层至满天他再转议建万县层至满天他will be再转议建万县层至满天他再转议建万县层至满天他 C. 百者成重国使百者成重国使...
Planets could survive the death of their star and become capable of supporting life — and now astronomers are going to go hunting for them. Stars do not survive forever,the sunincluded.In about five billion years, Earth's star will begin to exhaust its supply of hydrogen used to generate ...