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Thread: The real nature of the universe

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    Default The real nature of the universe

    From the fact that the galaxies are moving from each others does not follow that the universe is expanding, growing.

    The universe has no limit, but everything belongs to it, there is not outside.
    Wherever we go we are as in the middle. The universe is like a ball, but not a ball.
    There is the longest possible distance.

    You can put the universe in 3 dimensional space with no time dimension and the galaxies in their movements and places and speeds and times.

    In this kind of the universe the galaxies are moving as it is known from astronomy. But the universe itself does not expand.
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    Default Re: The real nature of the universe

    This means that the universe has e radius. We don't know its exact value, its lenght.

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    Default Re: The real nature of the universe

    Or we could just have as we mathematicians say and have the metric change with positions not.

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    Default Re: The real nature of the universe

    Quote Originally Posted by Olli S View Post
    From the fact that the galaxies are moving from each others does not follow that the universe is expanding, growing.

    The universe has no limit, but everything belongs to it, there is not outside.
    Wherever we go we are as in the middle. The universe is like a ball, but not a ball.
    There is the longest possible distance.
    There does not need to be an "outside" in order for the Universe to expand.
    --Inter Arma Enim Silent Leges--
    “Science needs the light of free expression to flourish. It depends on the fearless questioning of authority, and the open exchange of ideas.” ― Neil deGrasse Tyson

    "When photons interact with electrons, they are interacting with the charge around a "bare" mass, and thus the interaction is electromagnetic, hence light. This light slows the photon down." - BuleriaChk

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    Default Re: The real nature of the universe

    Quote Originally Posted by Neverfly View Post
    There does not need to be an "outside" in order for the Universe to expand.
    Then it does not have a radius. If it expands the radius will be bigger and bigger. This kind of Universe does not expand even if other kinds do.

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    Moderator Neverfly's Avatar
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    Default Re: The real nature of the universe

    Quote Originally Posted by Olli S View Post
    Then it does not have a radius. If it expands the radius will be bigger and bigger. This kind of Universe does not expand even if other kinds do.
    Your reasoning escapes me... The universe can expand and have a radius, regardless of an "outside."
    --Inter Arma Enim Silent Leges--
    “Science needs the light of free expression to flourish. It depends on the fearless questioning of authority, and the open exchange of ideas.” ― Neil deGrasse Tyson

    "When photons interact with electrons, they are interacting with the charge around a "bare" mass, and thus the interaction is electromagnetic, hence light. This light slows the photon down." - BuleriaChk

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    Default Re: The real nature of the universe

    Quote Originally Posted by Neverfly View Post
    Your reasoning escapes me... The universe can expand and have a radius, regardless of an "outside."
    In the model of the Universe that I proposed, the Universe is not expanding and it has a definite radius whose value we don't yet know. In some other models there is expanding Universe but not definite radius.

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    Default Re: The real nature of the universe

    Quote Originally Posted by Olli S View Post
    In the model of the Universe that I proposed, the Universe is not expanding and it has a definite radius whose value we don't yet know. In some other models there is expanding Universe but not definite radius.
    So in your model (I assume) you mean that space-time is a sphere that contains all the galaxies. This sphere has a definitive radius and the galaxies are actually moving inside the sphere which is not expanding?
    Is this correct?

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    Moderator Neverfly's Avatar
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    Default Re: The real nature of the universe

    Quote Originally Posted by Olli S View Post
    In the model of the Universe that I proposed, the Universe is not expanding and it has a definite radius whose value we don't yet know. In some other models there is expanding Universe but not definite radius.
    When and where did you propose a model?


    Yes, in a model where the Universe is expanding, a definite radius would be hard to nail down since the figure keeps changing... Are you suggesting that your support for a steady state universe is that a universe with a definite radius is simply more appealing?
    --Inter Arma Enim Silent Leges--
    “Science needs the light of free expression to flourish. It depends on the fearless questioning of authority, and the open exchange of ideas.” ― Neil deGrasse Tyson

    "When photons interact with electrons, they are interacting with the charge around a "bare" mass, and thus the interaction is electromagnetic, hence light. This light slows the photon down." - BuleriaChk

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    Default Re: The real nature of the universe

    Quote Originally Posted by David M W View Post
    So in your model (I assume) you mean that space-time is a sphere that contains all the galaxies. This sphere has a definitive radius and the galaxies are actually moving inside the sphere which is not expanding?
    Is this correct?
    I mean that only the space is like that, with all the matter and energy what there is in the Universe. The time, movement, gravity and so on are only for the parts of the Universe, not for the whole. This kind of Universe does not have any other universes, there is only one.

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