K band spectrum of beta Pictoris b

Beta Pictoris is arguably one of the most studied stellar systems outside of our own. Some 30 years of observations have revealed a highly-structured circumstellar disk, with...绘架座β星（Beta Pictoris）可以说是人类迄今研究最为深入的系外恒星系统之一。历经约30年的观测研究，该系统已被证实存在一个结构化程度极高的星周盘（circumstellar disk），且……