own, and as is the number of stars in the universe is so vast, this possibility becomes virtual certainty. There are 100,000 million stars in our own Milky Way alone, and then there are 3,000 million other Milky Ways, or galaxies, in the universe. So the number of stars that we kno...
百度试题 结果1 题目5. In fact, there are many other galaxies(galaxy)in the universe. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
If then we are so certain that other intelligent life exists in the universe, why have we had no visitors from outer space yet? First of all, they may have come to this planet of ours thousands or millions of years ago, and found our then prevailing primitive state completely uninteresting...
andas the number of starsin the universe is so vast, this possibility becomes virtual certainty. There are 100,000 million stars in our own Milky Way alone, and then there are 3,000 million other Milky Ways, or galaxies, in the universe. ...
A lot of galaxies in space 翻译结果2复制译文编辑译文朗读译文返回顶部 Some difficulty she was building a complete sentence 翻译结果3复制译文编辑译文朗读译文返回顶部 In space there are many galaxies 翻译结果4复制译文编辑译文朗读译文返回顶部 There are many galaxies in space ...
Fortunately, there is a 'uniquely rational way' for us to communicate with other intelligent beings, as Walter Sullivan has put it in his excellent book, We Are not Alone. (1光年是光以每秒186,000英里的速度在一年内走的距离即6万亿英里)。无线电波也是以光速传播的。假定外星人的这种自动化信息...
.根据汉语意思完成句子1.在太空中有许多颗星星。There are many stars2.地球围绕太阳转。The earththe sun.3.问题是数百万人都失业了。The problem is thatpeople are un-employed.4.科学家们已经在宇宙中发现了许多星系。Scientists have discovered many other galaxies5.我不知道如何与他交流。I don't know ...
Why? In fact, the light from the moon comes from the sun.Scientists have 8.(发现) many other galaxies in the universe. They have sent many 9.(宇航员) into space. They also sent 10.(宇宙飞船) to Mars to take photos. I believe they will find more secrets of the universe. ...
How many galaxies are there? Astronomers have an estimate, but accurately counting them depends on several factors.
Hubble's law explains that as the universe expands, galaxies are stretched further and further apart