请输入您要查询的英文单词：

　

单词 population III
释义

Definition of population III in English:

population III

noun
Astronomy

  • A hypothetical population of short-lived supermassive stars that may have existed before the period of galaxy formation, proposed in order to account for the observed metallicity of population II stars.

Origin

1960s; earliest use found in Science.

Definition of population III in US English:

population III

noun
Astronomy

  • A hypothetical population of short-lived supermassive stars that may have existed before the period of galaxy formation, proposed in order to account for the observed metallicity of population II stars.

Origin

1960s; earliest use found in Science.
随便看

　

英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

　

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间：2025/3/10 17:29:01