题目Which star is closest to our solar system? A. Sirius B. Proxima Centauri C. Vega D. Betelgeuse 相关知识点: 试题来源: 解析 B。解析:A选项,Sirius(天狼星)是夜空中很亮的恒星,但不是离太阳系最近的恒星。B选项,Proxima Centauri(比邻星)是离太阳系最近的恒星,该选项正确。C选项,Vega(织女星)...
Jupiter is the ___ planet in our solar system. A. largest B. smallest C. closest D. farthest 相关知识点: 试题来源: 解析 A。木星是太阳系中最大的行星,选项 B 最小的,选项 C 最近的,选项 D 最远的,都不符合木星的特征,所以选 A。反馈...
Alpha Centauri is getting closer to Earth. It’s approaching the Earth at about 20 km/s and will be closest in the year 29,700 AD. But don’t be alarmed! Alpha Centauri, our nearest neighboring star system, is indeed moving closer to Earth in cosmic terms. However, this process occurs...
There are many planets in our solar system. The planet closest to the sun is ___. A. Mars B. Earth C. Mercury D. Venus 相关知识点: 试题来源: 解析 C。本题考查太阳系的知识。水星(Mercury)是距离太阳最近的行星。火星(Mars)、地球(Earth)和金星(Venus)距离太阳都比水星远。
of the solar system... 银河系里的星星the stars of the Milky Way, 以及远远望见离我们最近的星系and the distant glow of our closest neighboring galaxies. 这些即便用裸眼也都能看到Even with the naked eye. 在黑暗的笼罩下And under the cover of darkness, ...
There are many planets in our solar system. The planet closest to the sun is ___. A. Mars B. Earth C. Mercury D. Venus 相关知识点: 试题来源: 解析 C。水星是距离太阳最近的行星。选项 A 火星;选项 B 地球;选项 D 金星都不是距离太阳最近的行星。反馈...
There are many planets in our solar system. The planet closest to the sun is ___. A. Mercury B. Venus C. Earth D. Mars 相关知识点: 试题来源: 解析 A。解析:太阳系中距离太阳最近的行星是水星(Mercury),金星(Venus)是第二近,地球(Earth)第三,火星(Mars)第四。通过阅读科普文章,了解太阳系的...
(1)The solar system has the following EXCEPT A.A.spaceships B.moonsC.planetD.other space objects(2)The closest star to the earth is A.A.The sunB.the moonC.MarsD.Venus(金星)(3)What's the meaning of the underlined word "gas" in this passage? AA.气体B...
C★★★The five planets closest to the Earth can sometimes be seen with our eyes. In fact, humans have been looking up at Mercury, Venus, Mars,Jupiter and Saturn for thousands of years.18 They noticed that each planet had a different characteristic. They even mapped the planets' movements...
Read:22 Most Interesting Exoplanets with Fascinating Details Thus, our closest neighboring exoplanets provide fascinating environments for the search of life as well as the search of alternative biosignatures that could live under such extreme surface conditions....