circumstellar astrophysics星周天体物理
circumstellar nebula[天] 拱星星云
circumstellar shells拱星壳
circumstellar envelope[天] 星周包层
Circumstellar dust星周尘
circumstellar shell拱星壳
circumstellar light拱星光
circumstellar disk星周盘;拱星盘;这些环恒星盘
circumstellar material星周物质