It’s the ultimate in adventure travel, but it’s not for the faint of heart. Today’s super space traveler must endure drastic climates that shift from 840 degrees in the sun to minus 275 degrees in the shade, crushing gravity, acid smog, and blistering radiation. But the sights — from Jupiter’s churning red eye to Saturn’s glittering rings — are out of this world. Blast-off with "A Traveler’s Guide To The Planets", National Geographic Channel’s ultimate travel guide to the Solar System. Learn what to pack, which planet has the best sights, and where to park the rover.

       土星，为太阳系九大行星之一，至太阳距离（由近到远）位于第六、体积则仅次于木星。并与木星、天王星及海王星同属气体（类木）巨星。土星有土星环，截止2012年已发现62颗卫星。古代中国亦称之镇星或填星。

       责任编辑：语燃