In fact, on its final orbit, Cassini will be crashed right into the planet.

事实上，在其最终轨道上，卡西尼号将直接坠入地球。

Data from the final orbits of the Cassini mission indicate that Saturn's rings were a relatively recent addition… forming a scant 100 to 10  million years ago.

来自卡西尼号任务最后轨道的数据表明，土星环是相对较新的… … 形成于不到 100 到 1000 万年前。