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The human race is still in its infancy.
I once heard it explained on TV like this..... If the timeline of the dinosaurs ruling the earth stretches from New York City to Los Angeles, the timeline of human rule is so far one city block long.
We can't possibly comprehend here in 2010 what humans will be doing in 50,000 years when it's hard to look ahead even 100 years.
Also consider these two key points:
- Life did not necessarily begin on all planets in the universe simultaneously. Humans are at the beginning of our life. Another life form somewhere out there could be nearing the end of their existence, and thus posses knowledge that we will not know for one million years.
- The universe is both infinitely large, and infinitely small. There could be life on a planet 100,000 light years away where if you took our most powerful microscope to that point in space, you couldn't even see their solar system through it because it was so small. Likewise, the universe as we know it -- as far east to west as our telescopes can see -- could be sitting on a spec of space dust. The blackness that is the backdrop of space could actually be a solid object, but we don't have the field of view to see it.
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