视频简介
The Cassini spacecraft was sent on its way to Saturn in 1997. Since then, she has travelled nearly four billion kilometers, delivered a probe to a toxic moon, discovered phantasmagorical structures on the planet's icy rings, studied the startling atmosphere on a tiny moon. Now, on a daring spiral orbit, Cassini will streak toward Saturn itself, streaming data to Earth before be...。When Isabella Tree and her husband arrived at the rural estate they had inherited and saw the vast swathes of farmland that came with it, they immediately saw how sick the land was—entire habitats destroyed, bird and plant species gone extinct, fields saturated with chemicals. The experiment they decided to undertake was extreme: To heal nature, they had to let it heal itself. ...。
