The solar system ___ nine planets. Five doctors and three nurses ___ the team. 试题答案 在线课程 答案: 解析: consists of(is made up of, is composed of), consists in, consists of(is made up of, is composed of), consists of(is made up of, is composed of), make up. 练习册系列...
Comets are frozen leftovers from the formation of the solar system composed of dust, rock, and ices. As they orbit closer to the Sun, they heat up and spew gases and dust into a glowing head that can be larger than a planet. This material forms a tail that stretches millions of miles....
1. The solar atmosphere is composed of: The photosphere and chromosphere only The photosphere only The corona and photosphere only The corona and chromosphere only The corona, chromosphere, and photosphere 2. The sun is mainly composed of: Argon Nitrogen Carbon Helium Hydrogen ...
The basic premise of discovering the fundamental laws and mechanisms governing the process of the evolution of the solar system is the discovery of the basic cause and the essential nature of the gravitational interaction between the Sun and planets. Both Newton’s law of universal gravitation and ...
99.86% of the solar system’s massis foundin the Sun. The majority of the remaining 0.14%is containedwithin the eight planets. The four smallerinner planets, also known as the “terrestrial planets”, are primarily composed of rock and metal. ...
But this definition of the solar system is considered to be far too simple by some astronomers, such as Caltech's Mike Brown. "It's not really true," Brown told Live Science in an email. "Things have moved around a lot — mostly outward — since the planets were formed." This mean...
Support for the theory that the core is composed of iron (85 percent) with lesser amounts of nickel has come from the study of meteorites.Many of these samples of solar system materials are iron meteorites that consist of metallic iron alloyed with a small percentage of nickel.Some geologists...
Solar System Formation Solar System Comprised of a star and the planets that orbit the star Binary – Two stars at center of system –Eclipsing is when one star orbits the other Tertiary – Three stars at center What is the name of our star? Sun ...
Let's dive into the wonders of our cosmic neighborhood! 1. The Sun: The Sun is a yellow dwarf star located at the center of the Solar System. It is composed mainly of hydrogen and helium, and its immense gravitational force holds the entire system together. The Sun is crucial for ...
birth of the solar system托福阅读 The birth of the solar system is a topic that is widely studied in the field of astrophysics. Scientists believe that the solar system formed approximately 4.6 billion years ago from a massive cloud of gas and dust known as the solar nebula. The solar ...