[caldrail]

Extra Terrestial life has to be real. It is impossible to think that all the life in the whole universe is just Earth.

And who knows? Maybe we are the aliens to some other people...

That assumes a great deal. Intelligence after all developed because of circumstance - firstly the need for our primitive shrew like ancestors to avoid being eaten, secondly by our particular physical adaptions and mutations, thirdly because of the onset of cold climatic conditions, and fourthly mammalian propensity toward complex social behaviour. We don't own any of those factors, it's just that we were influenced by all of them.

The Kepler probe has discovered potentially thousands of distant worlds, although only a vanishingly small percentage resemble Earth to any great degree. One - K701-04, is touted as being the most Earth-like. Gravity is stronger there however.

But then one author some years back argued that Mayans wre the descendants of crashed astronauts from another world. So perhaps the MExicans really are illegal aliens? Is the US government not telling us something? Oh boy, I just discovered a conspiracy