# Cassini Reveals New Ring Quirks, Shadows During Saturn Equinox

Cassini has been snapping visible-light photographs of Saturn's rings, the Composite Infra-red Spectrometer instrument was taking the rings' temperatures. During equinox, the rings cooled to the lowest temperature ever recorded. The A ring dropped down to a frosty 43 Kelvin. Studying ring temperatures at equinox will help scientists better understand the sizes and other characteristics of the ring particles.

- Kind: Short
- Year: 2009
- Runtime: 2 min
- By: NASA/JPL/Space Science Institute
- Genres: Space
- Archive: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Cassini_Reveals_New_Ring_Quirks,_Shadows_During_Saturn_Equinox.ogv)
- Licence or status: Public domain (as the archive states it)
- Credit: NASA/JPL/Space Science Institute
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/commons/7871950?play=1)
