Well Craig I think of speculation this way... there are so many objects in our universe (even the small part we can "observe") probabilities could be said to be infinite.
Since you started the other thread the info I have come across seems limitless in support that the place has been built for life... I bet it will not be long that we start finding some/real evidence of life... there are plenty of foot prints we just have to spot the beast.
Off topic but hopefully of interest...The car had the outlet valve stuck on piston 4..causing overheating shorting etc...so I cut the power to the injector (no fuel in that cylinder) and blocked the breather tube leading back tothe intake manifold...the exhaust cam lobe has completly worn away
but I drove it back home (approx 750 klms) last night on three cylinders and it went better than it has for months
alex
