百度试题 结果1 题目The number of known planets in our solar system is ___. A. eight B. nine C. seven D. six 相关知识点: 试题来源: 解析 A。目前已知太阳系中的行星有八颗。反馈 收藏
百度试题 结果1 题目The number of known planets in the solar system is ___. A. seven B. eight C. nine D. ten 相关知识点: 试题来源: 解析 B。太阳系已知的行星有八颗。原来被认为是行星的冥王星在 2006 年被降级为矮行星。反馈 收藏 ...
题目There are many planets in our solar system. Earth is one of them. It is known for having life. What makes Earth different from other planets? A. It is very big. B. It has water and an atmosphere. C. It is very hot. D. It is very cold. 相关知识点: ...
Newton's first law is not only important in understanding the behavior of objects on Earth but also in understanding the motion of celestial bodies. The planets in our solar system move in elliptical orbits around the sun because of the balance between the gravitational force and their inertia....
All known planets outside our solar system December 21, 2015 TopicMaps / exoplanets, Jan Willem Tulp, space Jan Willem Tulp, in collaboration with Visualized, shows all known exoplanets (currently 1,942 of them) and then filters down to the ones that are habitable. Astrobiology uses the ...
There are many planets in the solar system.Which planet is known as the Red Planet? A. Earth B. Mars C. Jupiter D. Saturn 相关知识点: 试题来源: 解析 B。解析:文章中提到太阳系中有很多行星,其中火星被称为红色星球。选项 A 地球不是红色星球;选项 C 木星不是红色星球;选项 D 土星也不是...
百度试题 结果1 题目 7. Many planets are known to exist beyond our solar system, but there has been no confirmation(confirm) of a moon on the outside. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
ere's the reality: We're messing All of the known exoplanets, or planets up the Earth and any far-out ideas outside of our solar system, are too far away to of colonizing another orb (体)feasibly "travel to", he said. "Even in the very when we're done with our own are wishful...
all best known planets of solar system around the sun Elements of this image furnished by NASA,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美
of water.And water is very common.In fact,the elements(元素)that make up water(hydrogen and oxygen)are the first and third richest chemicals in the universe.This means that we can find water almost everywhere we look,from the surface of planets in our Solar Syst...