请输入您要查询的字词:

 

单词 quiet sun
释义
quiet sun

Astronomy
  • The Sun when it is at or near minimum activity in its 11-year cycle, and the numbers of sunspots and active regions are at their lowest. At such times, activity is still present in the form of small X-ray bright points, prominences, and some coronal features.


随便看

 

科学参考收录了60776条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。

 

Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号 更新时间:2024/6/30 19:36:23