A region of the galactic plane in which there is less extinction of light by interstellar dust than elsewhere, thereby allowing a glimpse of more distant regions. Examples are Baade’s Window in Sagittarius and windows in Circinus.
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。