22-GHz water maser clouds

Cool, evolved stars undergo copious mass loss but the detailed mechanisms and the form in which the matter is returned the ISM are still under debate. We investigated the...处于演化晚期的冷态恒星会经历大量的质量损失，但其具体作用机制以及物质返还至星际介质（Interstellar Medium，ISM）的具体形式仍存在争议。我们针对……展开了研究。