3 ms·

And likely lifeless without liquid water, hmmm...

• Robotbeat 8y ago
  *on the surface. It's beyond the frost line, so probably has deep icy oceans.
  • Roboprog 8y ago
    Europa experiences tides from Jupiter This planet may or may not have a companion to keep it pliable below its crust other than a few volcanic vents
    • Robotbeat 8y ago
      You do not need tidal heating to have a liquid ocean. A thick enough crust will insulate the primordial and decay heat below.