解析 C。解析:A选项,planet(行星)是围绕恒星运行的天体,而银河系不是行星。B选项,star(恒星)是单个的天体,银河系包含众多恒星等天体,不是单纯的一颗恒星。C选项,galaxy(星系),银河系是一个巨大的星系,我们的太阳系就在银河系当中,该选项正确。D选项,comet(彗星)是一种特殊的小天体,和银河系的概念不同。
1. In our solar system eight planets go around the sun. are 土星:Saturn ,以罗马神话中的农神萨杜恩命名,希腊神话they?Can you name them ?在我们的太阳系中,有八颗行星称其为“克洛诺斯”。围绕太阳运转。它们都有哪些?你能说出它们的名字吗?天王星:uranus ,以希腊神话中宙斯的祖父乌拉诺斯命名。海王星:...
a. 自残、也是一种含蓄美 . The autonomy, also is one kind contains America[translate] a( (oo) ) 正在翻译,请等待... [translate] a我骑单车上学 I ride the bicycle to go to school[translate] aFor women who are having night sweats ,their sleep is broken by frequent awakening and therefore...
What is the name of the galaxy that contains our solar system? A. Andromeda Galaxy B. Milky Way Galaxy C. Sombrero Galaxy D. Black E. ye Galaxy 相关知识点: 试题来源: 解析 B。包含我们太阳系的星系是银河系。选项 A 仙女座星系不包含我们太阳系。选项 C 草帽星系不包含我们太阳系。选项 D ...
Earth:Earth is the only planet with life as we know it, but astronomers have found some nearly Earth-sized planets outside of our solar system in what could be habitable regions of their respective stars. It contains an atmosphere of nitrogen and oxygen, and has one moon and no rings. Ma...
Another gas giant,Uranusis the seventh planet from our Sun and the third largest planet in our Solar System. The planet contains roughly 14.5 times the mass of the Earth, but it has a low density. Scientists believe it is composed of a rocky core that is surrounded by an icy mantle made...
4. The Sun is basically a giant ball of gas, but it contains over ninety nine percent of all the mass in our solar system. Earth has almost negligible mass, incomparable to the Sun. 5. Adwarf planetis neither a planet, nor a natural satellite but have the orbital characteristics similar...
What is the name of the galaxy that contains our solar system? A. 江己资深该技这半于图江己资深该技这半于图Andromeda江己资深该技这半于图江己资深该技这半于图 B. 之成属石术前就据备适专表干高转之成属石术前就据备适专表干高转Milky Way之成属石术前就据备适专表干高转之成属石术前...
The planets in our solar system fall into two groups: the terrestrial (Earth-like) planets (Mercury, Venus, Earth, and Mars) and the Jovian (Jupiter-like) planets (Jupiter, Saturn, Uranus, and Neptune). Pluto is not included in either category, because its great distance from Earth and ...
OUR WET SOLAR SYSTEM.The article provides an overview on the planet Mercury which contains water ice between 100 billion and one trillion tons.EBSCO_AspPopular Mechanics