A sophisticated computer model demonstrates how tidal forces on saturn could have peeled away the icy outer layers of a large moon that occupied an unfortunate piece of real estate .
一组精密的计算机模型模拟出了土星的潮汐引力可能将不幸位于某一特殊位置的大型卫星的外层冰壳剥离开来。
Because the thames is tidal , it can take four weeks for the muck to reach the sea .
因为泰晤士河也有潮起潮落,这些污物流入大海可能需要4周的时间。
A solar energy system that doesn 't require sunlight is almost as bizarre as a tidal power system that doesn 't use water however that 's exactly what researchers at mit have cooked up .
Aerial shots from television crews show a large community that existed there has now virtually disappeared under tidal water .
电视台工作人员的航拍视频显示该地大部分社区现在实质上已被海啸的巨浪所吞噬。
But planetary scientists reckon both may have subsurface oceans , kept liquid by a combination of radioactive decay and tidal heating from saturn and jupiter , their respective parent planets .