The moon is a natural satellite. It orbits Earth once every month. Artificial satellites are a human invention. They help people study the world, send information, and more. An artificial satellite may orbit Earth, another planet, or even an asteroid. 相关知识点: 试题来源: 解析 答案:卫星...
A. star B. planet C. satellite 相关知识点: 试题来源: 解析 B。本题考查对宇宙天体的基本概念以及相关英语单词的掌握。选项A“star”指恒星,像太阳就是恒星,而地球不是恒星。选项B“planet”是行星,地球是围绕太阳公转的行星,符合题意。选项C“satellite”是卫星,通常是围绕行星转动的天体,地球不是卫星。...
The satellite orbits ___ the planet. A. around B. beside C. next to D. near 相关知识点: 试题来源: 解析 A。“orbit around”表示绕着……轨道运行;“beside”在旁边;“next to”紧挨着;“near”在附近。所以选“around”。反馈 收藏
A satellite is an object in space that orbits around another. It has two kinds — natural satellites and artificial satellites. The moon is a natural satellite that moves around the earth while artificial satellites are those made by man. Despite their widespread impact on daily life, artificial...
The object that orbits a planet is called _. A. star B. satellite C. asteroid D. comet 相关知识点: 试题来源: 解析 B。围绕行星运行的天体被称为卫星(satellite)。恒星(star)不会围绕行星运行,小行星(asteroid)和彗星(comet)也不是围绕行星运行的。所以答案是 B。
1. Understanding the Definition of a Satellite: - A satellite is any object that orbits around another object in space. This can include natural objects like moons and planets, as well as man-made objects. 2. Identifying Types of Satellites: - There are two main types of satellites: ...
A. satellite B. planet C. star D. moon 相关知识点: 试题来源: 解析 A。选项 A 是卫星,围绕地球运行的物体是卫星。选项 B 是行星;选项 C 是恒星;选项 D 是月亮,月亮是地球的卫星,但这里说的是一般意义上围绕地球运行的物体,所以是卫星。反馈...
doi:10.1016/0016-0032(60)90622-0C.M. PettyJ.V. BreakwellElsevier LtdJournal of the Franklin InstitutePetty, C. M. and J. V. Breakwell (1960). Satellite orbits about a planet with rotational symmetry. J. Franklin Inst. 270(4), 259-282....
A satellite is an object in space that orbits around another. It has two kinds — natural satellites and artificial satellites. The moon is a natural satellite that moves around the earth while artificial satellites are those made by man. Despite their widespread impact on daily life, artificial...
"There are likely only a few near-Earth asteroids with similar sizes left to find,and these large undiscovered asteroids likely have orbits that keep them interior(10) tothe orbits of Earth and Venus most of the time."答案(1)考查介词。句意:位于智利的一个国际小行星...