请输入您要查询的英文单词:

 

单词 main sequence
释义

main sequence

noun

: the group of stars that on a graph of spectrum versus luminosity forms a band comprising 90 percent of stellar types and that includes stars representative of the stages a normal star passes through during the majority of its lifetime

Example Sentences

Recent Examples on the Web In this case, the researchers propose looking at K-dwarfs (a set of relatively cold stars in the main sequence) that are local by astronomy standards. Chris Lee, Ars Technica, 17 Jan. 2022 Stars spend a majority of their lives in the main sequence phase. Jennifer Leman, Popular Mechanics, 13 June 2020 There are many different types of main sequence stars. Jennifer Leman, Popular Mechanics, 13 June 2020 Our sun, a yellow dwarf, is currently in the main sequence stage of its life. Jennifer Leman, Popular Mechanics, 17 Feb. 2020 Along with main sequence and white dwarf stars, other groups include dwarfs, giants, and supergiants. Catherine Zuckerman, National Geographic, 20 Mar. 2019 Most of the stars in our galaxy, including the sun, are categorized as main sequence stars. Catherine Zuckerman, National Geographic, 20 Mar. 2019 See More

Word History

First Known Use

1925, in the meaning defined above

随便看

 

英语词典包含469781条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/3/15 17:11:30