百度试题 结果1 题目According to the passage, how many planets in our galaxy might human beings live?A 5 billionC 15 billionB 10 billionD 200 billion 相关知识点: 试题来源: 解析 A 反馈 收藏
A. The planets in our galaxy B. The history of a city C. The hobbies of students D. The rules of a game 相关知识点: 试题来源: 解析 A。文章主要聚焦于我们星系中的行星,选项 B 一个城市的历史不是文章重点;选项 C 学生的爱好不符合;选项 D 一个游戏的规则与文章内容无关。反馈...
According to UBC astronomer Jaymie Matthews: “Our Milky Way has as many as 400 billion stars, with seven per cent of them being G-type. That means less than six billion stars may have Earth-like planets in our Galaxy.” Previous estimates of the frequency of Earth-like planets...
The question arises whether organized life (as it exists on the Earth) exists on newly-found planets or not, such as Kepler 186f, in our Galaxy. The Earth's evolution is defined by three critical factors: 1) Solar luminosity, 2) The distance between the Earth and Sun and 3) The Earth...
scientists find that five percent are like our sun.Perhaps half of them have a planet like earth.Such a planet would be a reasonable distance from the star for temperatures to be right for the evolution of life.Based on the inhabitable (that can be lived in) planets in our galaxy,most ...
(2分) E. To find out how many planets there are in our galaxy. F. To predict the weather exactly on the earth. G. To make sure if there is water in other planets. . To find out if there are other planets where life exists. ...
百度试题 结果1 题目5. How many planets are there in our G_alaxy? 相关知识点: 试题来源: 解析 答案见上5.Galaxy galaxy星系 the Galaxy 银 句意:在我们的星系里有多少行星? 反馈 收藏
3D Illustrations and renderings of extra terrestrial planets in our galaxy ,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、36
"We looked at the localized, small-scale motion of gas in a star's protoplanetary disk. This entirely new approach could uncover some of the youngest planets in our galaxy," said Richard Teague, an astronomer at the University of Michigan and principal author on one of the papers. ...
scientists find that five percent are like our sun.Perhaps half of them have a planet like earth.Such a planet would be a reasonable distance from the star for temperatures to be right for the evolution of life.Based on the inhabitable (that can be lived in) planets in our galaxy,most ...