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originally posted by: ufoorbhunter
Ufos are real. There is something out there, what it is seems to be completely over our heads in understanding. They are out there for sure, we have incredibly limited senses and they are around us all the time, we just can't see them.
originally posted by: Xtrozero
What makes me think we are very alone is the lack of machines. It seems that machines would take over at some point during a civilization advancement. Once they become smart and self replicating they could be though the universe in mass numbers within a billion years, not changing as they grow in numbers, replicating over and over. No need to worry about time, distance, evolution etc.
originally posted by: AugustusMasonicus
Yes, von Nuemann probes would also be where I would expect to first encounter any extra-solar visitors.
originally posted by: AugustusMasonicus
originally posted by: Swills
13.2 billion years old and I think it would be presumptuous to say we're it, we're alone.
Why? We had billions of years of evolution here and intelligent life arose only one time. If it was not for the K-T extinction we might not have ever showed up.
originally posted by: LABTECH767
I have to point out that this is not a proven fact, we do not KNOW how many times intelligent life has arisen on the earth...
...
How do we know that we are the only intelligence to have evolved and is it intelligent to pollute our planet and kill off our eco system?, what if they were more intelligent and simply left?
originally posted by: AugustusMasonicus
originally posted by: Swills
Exactly, the Earth is about 4 billion years old and here we are. So to think we're it is quite an assumption.
But I do think we are alone, I do not think intelligent life is ubiquitous. I think we are a fluke of evolution that may not play out across the universe and if it did it is very, very rare.
originally posted by: gortex
Not my opinion but that of former NASA scientist William Borucki , his opinion echoes that of English physicist and all round smart bloke Professor Brian Cox who made similar statements in 2014.
(...)
The Fermi paradox (or Fermi's paradox) is the apparent contradiction between high estimates of the probability of the existence of extraterrestrial civilizations, such as in the Drake equation, and the lack of evidence for such civilizations.[1] The basic points of the argument, made by physicists Enrico Fermi and Michael H. Hart, are:
- The Sun is a typical star, and there are billions of stars in the galaxy that are billions of years older.[2][3]
- With high probability, some of these stars will have Earth-like planets,[4][5] and if the earth is typical, some might develop intelligent life.
- Some of these civilizations might develop interstellar travel, a step the Earth is investigating now.
- Even at the slow pace of currently envisioned interstellar travel, the Milky Way galaxy could be completely traversed in about a million years.
What if we were the first ones to get to were we are now, and all other intelligent life still has yet to get to where we are?