里翁（希腊神话中十二泰坦神之一）；[天]土卫七
斯;
户星座;As much as 40% of Hyperion could be porous, according to research led by Dr Peter Thomas of the Center for Radiophysics and Space Research at Cornell University published today in the journal Nature.
康乃尔大学电波物理与太空
中心的彼得·托马斯主持
土卫七。今天发表在《自然》杂志上的成果表明，多达40%的土卫七表面为多孔地形。
