@Setanta,
Lord what the hell are we going to gain by having access to the whole resources of our solar system that Mars trips would be just a start of and the mean to start learning the technology needed?
You got to be kidding me not even you can be that short sighted or stupid.
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Yes my stupid friend I agree with you that the first few trips to Mars is not gong to paid for themselves in any coin but knowledge but the foundation of the technology those trips will help to created will.
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Getting the human race into a position where when the next happening that will cause a great die off of animal life on earth to occur, it will not mean the end of the human race would be worth any likely cost of learning to live and work in space by itself.
In the mean time having all the power and metals and manufacturing ETC that a high tech society need off planet where it will do no harm would also be nice.
Is it not strange that it is the commonsense Chinese’s are now spending large sums to grain the access to space if that access is as worthless as you are claiming it is.
Planning not just low orbit access but trips to the moon and beyond as a matter of fact.
We stop our billions dollars program for the next super collider and fill in the tunnels that was dug for it, as it will never pay for itself kind of stupid thinking.
Thank god for the benefit of the human race the Europeans did not feel that way and their new billions of dollars super collider is about to allow us greater understanding of our universe.
If our culture allow your way of thinking to limit us the future will belong to others societies.