"This wormhole seems to lead into unknown parts of space." C1-C3
"This wormhole seems to lead into dangerous unknown parts of space." C4-C5
"This wormhole seems to lead into deadly unknown parts of space. " C6

This wormhole has not yet had its stability significantly disrupted by ships passing through it." 100%-46%
"This wormhole has had its stability reduced by ships passing through it, but not to a critical degree yet." 45%-6%
"This wormhole has had its stability critically disrupted by the mass of numerous ships passing through and is on the verge of collapse." 5%-0%

"This wormhole has not yet begun its natural cycle of decay and should last at least another day." 100%
"This wormhole is beginning to decay, and probably won't last another day." 99%-26%
"This wormhole is reaching the end of its natural lifetime." 25%-0%