Eight years ago, NASA made one of the most dramatic decisions in the history of space exploration: they sacrificed the Cassini spacecraft to protect Saturn’s moons — worlds like Titan and Enceladus that may host the ingredients for life. Cassini spent 13 years orbiting Saturn, diving through its rings, capturing the legendary Rose Storm, and even photographing Earth as a tiny blue dot from more than a billion kilometers away. When the spacecraft finally ran low on fuel, NASA commanded a controll