Breakthrough (2016)

MarsInsight: 7 Minutes to Touchdown (1x17)

Air date: Aug 31, 2017

Twenty years after its launch, we bid farewell to the Cassini spacecraft as it plunges into Saturn’s atmosphere in a planned death spiral. Productive right to the end, Cassini has rewritten the textbook on not only Saturn and its moons, but our whole solar system as well.