Unknown C1/C2/C3
Dangerous Unknown C4/C5
Deadly Unknown C6

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

This wormhole has not yet had its stability significantly disrupted by ships passing through it
Over 50%
This wormhole has had its stability reduced by ships passing through it, but not to a critical degree yet Between 50% and 10%
This wormhole has had its stability critically disrupted by the mass of numerous ships passing through and is on the verge of collapse Less than 10%