Does space bend In a pure vacuum ?

Discussion in 'Pseudoscience' started by river, Dec 15, 2019.

  1. river

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    So the gravitational field is the essence of space .
     
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  3. paddoboy Valued Senior Member

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    No, the gravitational field is spacetime geometry.
    Space is simply as I defined....the stuff beteen the planets and galaxies.
    Now all your questions have been answered, although I'll still bet my short n curlies that you will keep trolling and being obtuse.
    No more from me on this already answered subject.
    ps: Fair dinkum river, you with your personalised fairy tales on the universe, is harder to fathom and to shift your nonsensical point of view, then some of the religious nuts we have around.

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    Funny, but at the same time, sad.
     
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  5. river

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    So this " stuff " between planets ; space , is from the gravity field ?
     
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  7. paddoboy Valued Senior Member

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    It is part of what makes up spacetime, as is time.
     
  8. river

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    Then where does the gravity field originate from ?
     
  9. paddoboy Valued Senior Member

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    Your answer is in post 202...first line.
    As it is now painfully obvious of your trolling, I'll leave your fairy tale nonsense up to you.
     
  10. river

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    Ah

    No, the gravitational field is spacetime geometry.

    So how does this geometry exist without space ?
     
  11. paddoboy Valued Senior Member

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    Ignoring our trolling nut, the question was answered early back by Dave...

    And many times since.....and as they say "Ignorance is bliss"

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  12. James R Just this guy, you know? Staff Member

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    The big bang.

    Conceptually, yes. In practice, space contains matter and energy.

    There's no way to tell, as far as I'm aware. Any ideas about how we could possibly answer your question?

    The big bang.

    The big bang.
     
  13. paddoboy Valued Senior Member

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    It may seem pedantic James, but it is spacetime.
     
  14. paddoboy Valued Senior Member

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    https://einstein.stanford.edu/content/relativity/a11332.html
    Can space exist by itself without matter or energy around?
    No. Experiments continue to show that there is no 'space' that stands apart from space-time itself...no arena in which matter, energy and gravity operate which is not affected by matter, energy and gravity. General relativity tells us that what we call space is just another feature of the gravitational field of the universe, so space and space-time do not exist apart from the matter and energy that creates the gravitational field. This is not speculation, but sound observation.
     
  15. James R Just this guy, you know? Staff Member

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    river asked about space, not about spacetime.
     
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  16. river

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    Yet in order for a " big-bang to occur ; space needed to exist .
     
  17. river

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    Sure , could energy and matter exist without space ?
     
  18. paddoboy Valued Senior Member

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    Sure but river was also talking about space bending and river obviously knows not what he is talking about.
     
  19. paddoboy Valued Senior Member

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    The BB was the evolution of space and time from t+10-43 seconds, as we know them.
     
  20. river

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    How and Why does space " evolve " ?

    That's a very strange concept . What about space evolves ?
     
  21. paddoboy Valued Senior Member

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    What existed before t+10-43 seconds [if that is what river is pretending to ask] is unknown and can only be speculated on.
    The BB also only refers to the observable universe.
    Best speculation is that the BB probably arose due to some quantum fluctuation in the quantum foam.
    I like the following....


    Perhaps the quantum foam is as close to nothing that is possible...perhaps the quantum foam is nothing.
     
  22. paddoboy Valued Senior Member

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    You have already been told at least twice that we know neither the how or the why. Why do you continue to feign such obtuseness and ignorance?
    We can only speculate.
     
  23. paddoboy Valued Senior Member

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    Never heard of expansion?
     

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