The size of Earth compared to other planets and stars: UY Scuti vs Sun size comparison. Since the Sun is the best-known star for us, solar radius and solar mass are two useful units of measurement to depict how big is a star. A solar radius is approximately 690,000 km (432,000 mile...
象火星大小的东西撞地球的一些事情
Earth is believed to ___ by an object the size of Mars at some point in the distant past before its surface cooled. A. be hit B. have hit C. have been D. hit D. being hit 相关知识点: 试题来源: 解析 C. have been hit 反馈 ...
A. Mars is as big as the Earth in size. B. Mars is the fourth planet from the Earth. C. The surface of Mars is similar to that of the Earth. D. Mars is one of the planets whose surfaces can...
Earth is bepeved to () by an object the size of Mars at some point in the distant past before its suce cooled.A.be hitB.have hitC.have been hitD.being hit的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工
The application of this expression to the Earth`s crater data shows a remarkable agreement between theory and observations.doi:10.48550/arXiv.1212.3273William BruckmanAbraham RuizElio RamosPhysicsBruckman, W.; Ruiz, A.; Ramos, E. Earth and Mars crater size frequency distribution and impact rates:...
Earthisbelievedto___(hit)byanobjectthesizeofMarsatsomepointinthedistantpastbeforeitssurfacecooled。 解析:句意:人们认为地球在遥远的过去,其表面冷却之前某一时刻,曾经受到火星大小的物体的袭击.hit这个动作发生在谓语isbelieved之前,因此应用不定式的完成式;因为是被袭击,应用被动形式。相关知识...
1Earth is believed ___ by an object the size of Mars at some point in the distant past before its surface cooled. A. to be hit B. to have hit C. to have been hit D. to hit 2Earth is believed ___ by an object the size of Mars at some point in the distant past before...
All seven planets are rocky worlds, ranging from about the size of Mars to a little larger than Earth. Three or four of them reside within their star's habitable zone, meaning they orbit at the right distance to support liquid water on their surfaces. Related: The 10 most Earth-like ...
Earth is believed ___ by an object the size of Mars at some point in the distant past before its surface cooled. [ ] 这个题目是单选题,请注意只要选择1个选项! 试题解析 北京模拟题 标签:Earthisbelieved___byobject 本试题来自[gg题库]本题链接:https://www.ggtiku.com/wtk/99999/3580077....