Cosmos - Season 2 - Eps 8: The Sacrifice of Cassini
The mysterious untold story of the scientist who figured out how to go the Moon while fighting for his life in a WWI trench. He wrote a letter to fifty years in the future. It made the Apollo Mission possible. And the saga of the twenty-year long odyssey of a robotic explorer ordered to commit suicide on another world.
About Cosmos

Title: Cosmos
First Air Date: 2014-03-09
Last Air Date: 2020-04-20
Status: Ended
Rating: 8.465/10 (from 1564 votes)
Language: EN
Seasons: 3
Total Episodes: 26
Network: FOX National Geographic
Genres: Documentary
Production Companies: Fuzzy Door, Cosmos Studios
Synopsis
Famed astrophysicist Neil deGrasse Tyson provides clarity for the vision of the cosmos as he voyages across the universe with never-before-told stories that delve into the scientific concepts of the laws of gravity and the origins of space and time.
Cast

Neil deGrasse Tyson
Self - Host

Ann Druyan