标题: 特殊角度看土星 [打印本页] 作者: 跨越地平线 时间: 2008-7-17 08:06 标题: 特殊角度看土星 The ringed planet sits in repose, the center of its own macrocosm of many rings and moons and one artificial satellite named Cassini. Mimas (397 kilometers, or 247 miles across) is visible at upper left. Although unseen in this view, Enceladus (504 kilometers, or 313 miles across) casts its shadow upon the planet. The rings also block the sun's light from the low latitudes of the northern hemisphere.
