A rare type of star of spectral type O with emission lines of hydrogen (hence the suffix ‘e’). Luminosity classes range from III (giants) to V (dwarfs). They rotate rapidly and are a hotter version of Be stars.
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。