The Cassini spacecraft was deliberately flown into Saturn in 2017 because its fuel was running low and engineers refused to risk it drifting into Enceladus, a moon with a subsurface ocean, and the final 22 orbits were designed to thread a 1,500-mile gap between Saturn and its innermost ring that no spacecraft had ever attempted.
On September 15, 2017, a spacecraft burned up in the cloud tops of Saturn, ending a 20-year mission…
