Titan has two semi-connected biospheres, one on the surface, and one under the ice crust.

Created by NathanMcKnight on 2013-04-23; known on 2113-04-23

• NathanMcKnight estimated 10% on 2013-04-23
• JoshuaZ said “How would one define semi-connected? ” on 2013-04-23
• NathanMcKnight said “Some material transferred between atmosphere and subsurface ocean, but several orders of magnitude less than that transferred within either.” on 2013-04-23
• JoshuaZ estimated 1% on 2013-04-23
• Samm said “How exactly is a Bioshere defined?” on 2013-04-26
• NathanMcKnight said “For the purposes of this prediction, I’m calling a biosphere any interrelated set of living things sharing the same global environment (e.g. all the living things on the crust). ” on 2013-04-26
• Samm estimated 1% on 2013-05-09
• itaibn estimated 0% on 2013-05-17
• itaibn estimated 1% and said “I don’t think with my current calibration knowledge I am entitled to my previously stated estimate.” on 2013-05-22
• themusicgod1 estimated 29% on 2016-10-10