Mimas, February 13 2010 pic.twitter.com/NSqiMdEvvL
— Cassini Bot (@cassini_bot) February 22, 2016
Cassini Bot
Twitter bot, 2015
Images of Saturn and its moons, from the Cassini orbiter.
This forms a triad with Landsat Bot and HiRISE Bot, tweeting in unison every hour, showing views of three planetary systems.