The article offers information on the solar system's 9th planet Pluto, discovered by an U.S. scientist Clyde Tombaugh in 1930. A larger object than Pluto called 2003 UB313 was discovered by astronomers in California in 2003 which has ...
applies only to bodies in our solar system, which Margot said has created a "definitional limbo" for the newly discovered bodies. A paper by Margot that has been accepted for publication in theAstronomical Journalproposes to extend the planet definition to all planetary systems...
What is a planet? Please write it in English,ok?This is my homework. Thank you! 相关知识点: 试题来源: 解析 IAU决定我们太阳系内的行星和其他天体按照下列方式划分为3个明确的类别: (1)一颗行星1是一个天体,它满足(a)围绕太阳运转,(b)有足够大的质量来克服固体应力以达到流体静力平衡的(近于圆球)...
题目The Earth is a planet. What makes it different from other planets? A. It has water. B. It has no atmosphere. C. It is very small. D. It is very hot. 相关知识点: 试题来源: 解析 A。地球与其他行星不同之处在于它有液态水。
a forb toc ofd at为什么 相关知识点: 试题来源: 解析 原文意义:我们应为我们的星球做些什么? 应该选A,表对象,为. (与planet 搭配的介词是on the planet,在星球上,选项没有on.) 而B C D 没有与 planet连用. 分析总结。 与planet搭配的介词是ontheplanet在星球上选项没有on...
A planet is a large spherical object that orbits around a star. Planets can be rocky, like Earth, or gas giants like Jupiter. A planet can have any number of orbiting moons around it.
Some factors that make a planet habitable are location in the habitable zone, a stable star, the right mass, the ability to hold an atmosphere, and the presence of liquid water.
There are many planets in the universe. The Earth is a planet that has life. What makes the 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. ...
答案见上解析:考查表语从句的引导词 分析句子结构可知, makes it such a beautiful place”是表语从句。 该 从句的谓语为makes, 宾语为it(代指上文出现的this planet ), 从句的宾语补足语是 such a beautiful place, 因此表语从句缺少主语。 分析句意可知,此处表示 “正是那一 ∴ 才让地球成为了一个如此美丽...
(1) What do you think makes the Earth an amazing planet? 相关知识点: 试题来源: 解析 Earth is an amazing planet for countless reasons. Its intricate systems support a breathtaking diversity of life, from microscopic organisms to towering trees and massive whales. The delicate balance of its ...