百度试题 结果1 题目2. How many planets(行星) are similar to the earth? 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
根据文章第三段中的“Of the 200 billion stars in the Milky Way galaxy, scientists find that five percent are like our sun. Perhaps half of them have a planet like the earth”可知,在银河系中有2千亿颗恒星,其中5%的恒星像我们的太阳,也就是100亿颗恒星像我们的太阳,而在这100亿颗恒星中有一半像...
How many planets are loser to the sun than earth?选择语言:从 到 翻译结果1翻译结果2 翻译结果3翻译结果4翻译结果5 翻译结果1复制译文编辑译文朗读译文返回顶部 多少行星比地球的太阳是失败者吗? 翻译结果2复制译文编辑译文朗读译文返回顶部 正在翻译,请等待... 翻译结果3复制译文编辑译文朗读译文返回顶部 ...
How many planets are there in the solar system? 2005年,阋神星的发现引发了巨大争议。其发现者之一、天文学家迈克·布朗(Mike Brown)在NASA的官方新闻材料中将其称为“第十颗行星”。当时,阋神星被认为略大于冥王星,因此如果冥王星被视为行星,阋神星似乎也应享有这一身份。即使后续观测表明阋神星比冥王星...
At last we are seeing big rewards in the hunt for "super-Earths" - rocky alien worlds a few times more massive than our own. That was the verdict from a landmark meeting of astronomers last week which saw the unveiling of a huge haul of new exoplanets inIVAN SEMENIUK...
Do you know how many planets are there in the solar system? Yes,there are eight. Have you heard about Venus (金星)? It is the second planet from the Sun in the solar system. It is only a little smaller than the Earth. And it has about 95% of the Earth's diameter(直径) and ...
When the half of the Earth is facing the Sun, it's daytime. As the Earth turns and this half is away from the Sun, night is coming. And it's daytime for the other half.( )1. How many planets are running around the Sun? A. Seven. B. Eight. C. Nine. D. Ten.( )2. Th...
Water had also appeared on other planets like Mars but, unlike the earth, it had disappeared later. It was not immediately obvious that water was to be fundamental to the development of life. What many scientists believe is that the continued...
Questions1and2are based on the news report you have just heard.1.A)Because the storm had cut power to them.B)Because the roads to them had been flooded.C)Because there might be mud slides.D)Because there might be tsunami.2.A)It is expected to last until Saturday afternoon.B)It has ...
(NOTE: This talk was given in 2010, and this field of science has developed quickly since then. Read "Corrections & Updates" below for more details.) Astronomer Dimitar Sasselov and his colleagues search for Earth-like planets that may, someday, help us