This wormhole has not yet begun its natural cycle of decay and should last at least another day. More then 24 hours
This wormhole is beginning to decay, and probably won't last another day. Between 24 and 4 hours
This wormhole is reaching the end of its natural lifetime. Between 4 hours and 15 minutes
This wormhole is on the verge of dissipating into the ether. Less than 15 minutes