Wondrous false colour images from Nasa’s Cassini probe of aurora at the northern pole of Saturn. JPL press release here and more details of the images here. Below the fold Cassini scientist Andy Ingersoll explains.
Cassini scientist Andy Ingersoll on Saturn’s ‘northern lights’, shown for the first time in a visible-light movie.
Update Original second [embedded] video wasn’t working for me. I’ve replaced it with a YouTube upload instead.