Cassini's days are numbered. But just because it's running out of fuel doesn't mean it's running out of fire. Cassini has a lot more science to do in its final chapter.

NOVA on Facebook: https://www.facebook.com/NOVAonline NOVA on Twitter: @novapbs NOVA on Instagram: @nova_pbs

PRODUCTION CREDITS:

Digital Producer: Ari Daniel Director of Digital Media: Lauren Aguirre

© WGBH Educational Foundation 2017

MEDIA CREDITS:

Visuals: NASA/JPL-Caltech NASA/JPL-Caltech/Space Science Institute

Music: APM