The Sun would be subject to a significant variation of orbital motion about the solar system barycentre if a small planet is orbiting at a very large distance. This paper assesses if the Planet 9 hypothesis, the existence of a ninth planet, is consistent with the planetary hypothesis: the ...
nine All the planets in the solar system revolve (the Sun. There are eight planets in the solar system .There used to be nine .E1sincePluto (冥王星)was demoted (使降级)we've had just eight planets.Some scientists have been studying the farthest reaches of our solar system. They believe...
9. The Earth is one of the eight ___(planet) in the solar system.相关知识点: 试题来源: 解析 planet 本题考查名词的数。句子中 "one of the eight" 表示“八个中的一个”,因此后面的名词需要用单数形式。所以答案是 "planet"。反馈 收藏 ...
Ⅱ. 根据句意用括号内所给单词的适当形式填空。1. 科学素养There are 8___(planet) in the solar system(太阳系). 相关知识点: 试题来源: 解析 planets 本题考查名词的复数形式。句中“8”表示有八个行星,因此“planet”需要使用复数形式“planets”。 最终答案:planets反馈...
百度试题 结果1 题目3. The picture shows six of the nine planets(planet) in the solar system (太阳系). 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
百度试题 结果1 题目5. There are 8 1 (planet) in the solar system(太阳系).相关知识点: 试题来源: 解析 8 太阳系中有八大行星:水星、金星、地球、火星、木星、土星、天王星、海王星。因此,答案是8。反馈 收藏
百度试题 结果1 题目The largest planet in the solar system is _. A. Earth B. Mars C. Jupiter D. Venus 相关知识点: 试题来源: 解析 C。太阳系(solar system)中最大的行星是木星(Jupiter)。反馈 收藏
The project to find "Planet 9" is let by ANU astrophysicist Dr Brad Tucker, and will require the help of passionate stargazers who could be the first to set eyes on something no human has seen before. "We have the potential to find a new planet in our Solar System that no human has...
【题目】6. How many( planet) are there in the solar system? 相关知识点: 试题来源: 解析 【解析】 【答案】planets 【核心短语/词汇】howmany:多少 【翻译】太阳系里有多少行星? 【解析】planet:行星,为可数名词。 how man y:多少 ,修饰可数名词复数,故填入planets。 反馈 收藏 ...
百度试题 结果1 题目Jupiter is the ___ planet in the solar system. A. largest B. smallest C. hottest D. coldest 相关知识点: 试题来源: 解析 A。木星是太阳系中最大的行星。反馈 收藏