Comparing Europa, Enceladus, and Titan

Europa keeps acting like the overachiever with its neat cracked shell and maybe-ocean, while Enceladus just sprays its secrets into space like it’s trying to win attention by sheer geyser pressure. And then there’s Titan, quietly hoarding an entire methane weather system like it’s no big deal.

If you had to bet on which one coughs up the first confirmed alien microbe—Europa’s buried ocean, Enceladus’ space fountain, or Titan’s chemical soup—which horse are you picking, and why?