On the 15 of December 1997 the largest rocket ever built was lunched to go to Saturn
It all started when some kids from Mayfield school send some things about them into space
They looked on the internet about the subject and found people who were doubting the safety of the Cassini mission. 1.As part of its fuel, the Cassini rocket carries 32 kilograms of radioactive plutonium dioxide, the most plutonium ever lunched into space. 2.An accidental re-entry to Earth could happen, but NASA says the possibility of this happening is less then one in a million.