Quote:
Originally Posted by Acolyte
If we can't recognise the evidence in plain rock of an advanced society, (& most probably one made by humans) what chance do we have of recognising signs of ones that may have an entirely different basis for civilisation than we have?
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It's a good point, imo. While we as a species probably have been exhibiting signs of advanced development for more than 10,000 years, its only within the last moments of time that we have been able to demonstrate that advancement beyond the confines of our atmosphere. It is clear that our efforts to find intelligent life must of necessity focus on races with very similar technological skill as our own. Like you point out, we probably would not recognize any other.