Upper Scorpius members

The nature and origin of free-floating planets (FFPs) are still largely unconstrained because of a lack of large homogeneous samples to enable a statistical analysis of their...自由漂浮行星（free-floating planets, FFPs）的本质与起源在很大程度上仍未得到有效约束，这是由于目前缺乏可用于对其开展统计分析的大型均质样本……