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Re^2: Extraterrestrials haven't visited the Earth yet because:

by BrowserUk (Patriarch)
on Sep 17, 2016 at 00:01 UTC ( [id://1171975]=note: print w/replies, xml ) Need Help??


in reply to Re: Extraterrestrials haven't visited the Earth yet because:
in thread Extraterrestrials haven't visited the Earth yet because:

From the purely scientific standpoint, I am unaware of any hard evidence that extraterrestrials have been here, and am equally unaware of any hard evidence that they have not.

If a bacteria transported here by a meteor survived to divide on earth, is that an extraterrestrial?

If a soup of protein precursor molecules arrived the same way and combined on earth to form 'life'; are they extraterrestrial?

If a key ingredient of primordial life was added to the soup by one or more meteors, would that life be extraterrestrial?

Since all the constituent parts of the Earth's environment originated 'in space'; surely extraterrestrials have been here; because we are they?


With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority". I knew I was on the right track :)
In the absence of evidence, opinion is indistinguishable from prejudice.
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Re^3: Extraterrestrials haven't visited the Earth yet because:
by wjw (Priest) on Oct 09, 2016 at 10:54 UTC
    In the first case, yes. They are extraterrestrial.

    In the second case, yes. The soup is extraterrestrial. In the third case, yes. The combo would be extraterrestrial.

    I suppose the argument could be made that we are in fact the extraterrestrials. However, the original question asked about 'visiting', which to me implies a decision. Rightly or wrongly, my answer regards something making a conscious decision to visit Terra, meaning it came from someplace at least as far away as outside the breathable atmosphere..

    ...the majority is always wrong, and always the last to know about it...

    A solution is nothing more than a clearly stated problem...

      However, the original question asked about 'visiting', which to me implies a decision.

      You're right!

      However, it does depend upon how you define 'visit'. My elder sister's mother-in-law stopped by for a 3-day visit 20 years ago. She's still visiting...

      (Though I guess the sale of her marital home almost as long ago might factor into the equation.)


      With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
      Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
      "Science is about questioning the status quo. Questioning authority". I knew I was on the right track :)
      In the absence of evidence, opinion is indistinguishable from prejudice.

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