Galilean satellites?

Question

Which of the Galilean satellites, Io, Europa, Ganymede, or Callisto, is most likely to have microbial life currently existing on it and why?

Answer 1

Europa. It is believed to have liquid water under the icy surface.

Answer 2

europa as it has atmospher and possible liquid water

check this webstie for all about europa

http://en.wikipedia.org/wiki/Europa_(moo...

Answer 3

Both Europa and Ganymede are thought to have a liquid ocean under a surface of ice.  Europa gets more heating due to tidal flexing, and this should provide more energy for life to use in the liquid ocean.