The closest star that you can see with the naked eye in the Northern Hemisphere is Sirius, the Dog Star. Sirius, has twice the mass and is almost twice the size of the Sun, and it’s the brightest star in the sky. Located 8.6 light-years away in the constellation Canis Major – it...
1.earth的基本意思是“地球”,指相对于其他天体来说,为人类生存提供条件的星体; 还可指“大地,地面,陆地”,指相对于天空而言的为人类和其他生物提供居住地的地球表面.earth还可指“泥土,土壤”.earth引申可指“全人类”; earth用于比喻还可指“大量的钱.2.earth作“地球”解时常以单数形式出现,前加定冠词,也...
The article reports that astronomer Eric Mamajek and colleagues discovered that the binary star system Scholz's star came within 0.8 light years of the sun around 70,000 years ago, passing close enough to come inside the Oort cloud, by measuring the stars' current speed and direction.Crockett...
百度试题 结果1 题目The sun is the closest(close)star to Earth. 相关知识点: 试题来源: 解析 根据题干可知太阳是离地球最近的恒星。故用close的最高级形式。故答案为closest。 太阳是离地球最近的恒星。
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Wiki Info:A star is a luminous sphere of plasma held together by its own gravity. The nearest star to Earth is the Sun. Many other stars are visible to the naked eye from Earth during the night, appearing as a multitude of fixed luminous points in the sky due to their immense distance...
The sun is the closest star to the earth. It is at least 4. 5 billion years old. Itis a_16_ of the Milky Way Galaxy(银河系). The sunis important because it gives the 17_ heat and light. It is about 150 million kilometres 18 the earth. On the sun's surface, we cansee st...
The sun is the closest star to Earth.为什么sun前面用the,earth前不用冠词? 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 1.earth的基本意思是“地球”,指相对于其他天体来说,为人类生存提供条件的星体; 还可指“大地,地面,陆地”,指相对于天空而言的为人类和其他生物提供居住地的...
Each star's system has its name after the star. IfAntares has a system, its name would be the Antares System.( )1. The sun has at leastof history.A. 4. 5 billion yearsB. 149 million yearsC. 149 billion yearsD. 4. 5 million years( )2. What are the dark spots on the sun's...