根据文中的语句Stars can give out heat and light, but planets cannot.与 The sun is one of the stars.理解可知,太阳是恒星,可以发热与发光,故选B。 (2)词义理解题。根据文中的语句The earth spins around once every day to give us day and night. 地球每天旋转一圈,给我们一天又一夜。理解可知,...
Stars can give out heat and light,but planets cannot. The sun is one of the stars. Some planets are balls of rock and some are balls of gas. We live on the earth. The earth spins around once every day to give us day and night. The earth goes around the sun once every year to ...
During formation, the planets can draw a greater amount of hydrogen and helium around themselves, causing them to increase in size.#During formation, the planets can draw a greater amount of hydrogen and helium around themselves, causing them to increase in size.#Artist's impression of Corot-...
Planets are the generally spherical bodies that orbit around stars and are large enough that they have cleared the majority of the debris from their orbits.Answer and Explanation: Large bodies like planets and stars are roughly spherical because of the force of gravity. The larger and more...
The sun is one of the stars. Some planets are balls of rock and some are balls of gas. We live on the planet earth. The earth spins around once every day to give us day and night. The earth goes around the sun once every year to give us different seasons....
百度试题 结果1 题目The starry sky is beautiful. The “stars” are___. A. lights in the sky B. planets C. satellites D. heavenly bodies that E. mit light 相关知识点: 试题来源: 解析 D。“ 反馈 收藏
阅读理解There are millions of stars and planets in space. What's the difference between stars and planets? Stars can give out heat and light, but planets cannot.The sun is one of the stars. Some planets are balls of rock and some are balls of gas. We live on the planet earth. The ...
恒星和行星的关系如下：1.恒星是由炽热气体组成的，本身能发光的天体。行星是围绕恒星运行的，本身不发光的天体。恒星是由恒星本身的引力形成的，在大气层中有许多固定的发光点，而恒星则是由气体星云引起的引力崩溃而产生的，而气体星云则是由氢、氦和其它元素构成，当恒星的核心浓度达到一定的时候，氢...
Why is it likely that planets are rare around stars that are more than twice as old as the Sun? Star Formation: All stars go through a stellar evolution that depends upon the initial mass of the star. Depending upon the mass of the star a star can explode int...
a身心愉悦 The body and mind is joyful [translate] a开房 正在翻译,请等待...[translate] aThere are trillions of stars, many stars have planets, each planet may or may not have life. Some may have intelligent life. 我认为那里在其他行星也许是生活和可能人民。[translate]...