百度试题 结果1 题目There are many ___ in the universe. A. stars B. planets C. satellites D. all of the above 相关知识点: 试题来源: 解析 D。宇宙中有很多星星、行星和卫星。反馈 收藏
Earth has only one natural satellite, which we generally refer to as ‘the moon’. Here’s a fun fact: All naturalsatellites(moons) of other planets have been given proper names, but ournatural satellite is simply called the moon. The moon, just like any other natural satellite, revolves ...
As exclusive clubs go, walking on something other than planet Earth is a pretty amazing one. While many have ventured into space, only a select few have set foot on what is essentially an alien world, even if it's a relatively small one. Earth's only natural satellite lies about 230,00...
have found another three___orbiting a pulsar (脉冲星)—the remains of a once huge star shrinking (收缩) into a small atomic nucleus the___of a city. Some planets have obviously fallen into their suns. Others have been thrown out of their___to become “floaters” that float in the dar...
While Earth is the only planet known to support life, surely the adaptive ability of humans would allow us to live on other planets. It is true that the lifestyle would be different, but human life and cultures have adapted in the past and surely could in the future.1. Why does the ...
There are 293 confirmed moons in our cosmic neighborhood. By studying these worlds, astronomers hope to learn about ancient asteroid collisions, space volcanoes, and the origins of life itself.
theory, the moon formed during the first 10 to 100 million years of the solar system, when theterrestrial planetswere still forming. During the final stages of this period, these planets (Mercury, Venus, Earth and Mars) are believed to have grown mainly through impacts with large planetary ...
The Solaire has been called the country's first green high-rise building. According to Dettling, "We've reduced our energy use by one-third and our water by 50 percent." The Solaire cuts energy in past by using solar power. "On the face of the building we have solar panels which ...
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to the adoption. After a child has been adopted from abroad, parents should try to find a pediatrician who is familiar with the medical conditions in the country in which the child was born. Many local hospitals in the United States have doctors on staff who are well-versed in this area....