请输入您要查询的字词:

 

单词 Beta Pictoris
释义
Beta Pictoris

Astronomy
  • An A6 dwarf star of magnitude 3.9, lying 63 l.y. away. In 1983 the Infrared Astronomical Satellite (IRAS) discovered that Beta Pictoris is surrounded by a disk of dust and gas larger than our Solar System, from which planets are forming. The disk contains at least one planet, which has been photographed orbiting the star at a distance of about 9 au. The planet is termed Beta Pictoris b and has an estimated mass seven times that of Jupiter.


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 20:07:51