XPost: sci.physics

essentially what i am asking is, is there something outside? or
can there even be outside??

is the universe like an egg and we are the yoke??

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On 2024-10-19 19:03:34 +0000, kazu said:

essentially what i am asking is, is there something outside? or can
there even be outside??

The observable unverse looks like a small part of a larger, possibly
infinite, universe.

is the universe like an egg and we are the yoke??

As far as can be seen every part of the universe is similar to every
other part. I small scale there are clusters and superclusters of
galaxies but they seem to be evenly scattered. No shell, ho yoke-

--
Mikko

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On 2024-10-19 22:08:08 +0000, rhertz said:

Infinite and eternal.

The unverse looks like it is not infinitely old. Of course it is hard
to tell anything about the time before the universe became transparent
but the assumption of a finite age fits better to observations.

--
Mikko

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Am Sonntag000020, 20.10.2024 um 11:14 schrieb Mikko:

On 2024-10-19 19:03:34 +0000, kazu said:

essentially what i am asking is, is there something outside? or can
there even be outside??

The observable unverse looks like a small part of a larger, possibly infinite, universe.

is the universe like an egg and we are the yoke??

As far as can be seen every part of the universe is similar to every
other part. I small scale there are clusters and superclusters of
galaxies but they seem to be evenly scattered. No shell, ho yoke-

The universe 'folds into itself'.

There is no 'outside' and no edge.



You must think about the axis of time, which is not always parallel to
ours in other places.

This 'axis of time' is imaginary in any given context and can have an orientation into a spatial direction in respect to some other location's
time.

Actually time can run 'backwards' (from our perspective), what would
make the hypersheet of the present for such a 'backwards running axis of
time' look like seen through a mirror.

This 'other world with backwards running time' is invisible to us
(usually), but real and relatively close.

This 'other world' has a future, too, but within our past.

This would generate an overall 'infolding universe', which has no outside.

The reason is, that it has no edge, since flying to an alleged 'edge of
the universe' would bring us only to some other region, which has also
an axis of time and also a hypersheet of the present, which is also perpendicular the local time.

The pattern is kind of similar to a 'moebius strip'.

You can walk along that as long as you like, but you would not
encounter an end.


TH

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On 2024-10-21 05:35:25 +0000, Thomas Heger said:

Am Sonntag000020, 20.10.2024 um 11:14 schrieb Mikko:

On 2024-10-19 19:03:34 +0000, kazu said:

essentially what i am asking is, is there something outside? or can
there even be outside??

The observable unverse looks like a small part of a larger, possibly
infinite, universe.

is the universe like an egg and we are the yoke??

As far as can be seen every part of the universe is similar to every
other part. I small scale there are clusters and superclusters of
galaxies but they seem to be evenly scattered. No shell, ho yoke-

The universe 'folds into itself'.

That is not observed.

There is no 'outside' and no edge.

No 'outside' or edge has been observed but nither has been
observed their non-existence.

You must think about the axis of time, which is not always parallel to
ours in other places.

That is obvious, even in the same place.

This 'axis of time' is imaginary in any given context and can have an orientation into a spatial direction in respect to some other
location's time.

I think you are trying to say something obviously true.

Actually time can run 'backwards' (from our perspective), what would
make the hypersheet of the present for such a 'backwards running axis
of time' look like seen through a mirror.

Nothing like that has ever been observed.

--
Mikko

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kazu <[email protected]> wrote:

essentially what i am asking is, is there something outside? or
can there even be outside??

is the universe like an egg and we are the yoke??

No point in speculating about things that cannot be observed,
not even in principle,

Jan

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Am Montag000021, 21.10.2024 um 11:50 schrieb Mikko:

On 2024-10-21 05:35:25 +0000, Thomas Heger said:

Am Sonntag000020, 20.10.2024 um 11:14 schrieb Mikko:

On 2024-10-19 19:03:34 +0000, kazu said:

essentially what i am asking is, is there something outside? or can
there even be outside??

The observable unverse looks like a small part of a larger, possibly
infinite, universe.

is the universe like an egg and we are the yoke??

As far as can be seen every part of the universe is similar to every
other part. I small scale there are clusters and superclusters of
galaxies but they seem to be evenly scattered. No shell, ho yoke-

The universe 'folds into itself'.

That is not observed.

Sure, you cannot observe this.

But many real things are very hard to see.

E.g. radio-waves are real, but more or less invisible.

Also invisible is the other side of the globe, even if we know, that the 'antipodes' do exist.

The content of a black hole is invisible, too, but should exist somehow.

IoW: invisble things can be real, even if we cannot observe them.

Therefore: observability is no requirement for realness.

There is no 'outside' and no edge.

No 'outside' or edge has been observed but nither has been
observed their non-existence.

The problem with the 'edge' is not its invisibility, but somehow it
would contradict certain philosophical principles, if we assume a
border, which has no outside, because an outside of the universe does
not exist.

The 'real thing' is actually 'to geometrisise time' and to assume an antisymmetric behaviour of spacetime.

This kind of symmetry is unusual in our world, but not very difficult to understand.

You should simply imagine a so called 'Moebius strip', which has only
one side.

Now this side points always into the future.

Only: 'future' is here meant as goemetric property and only locally defined.

Since the moebius strip has only one side, everywhere exist one future,
event if the future half way round that strip would point into the
opposite direction than ours.



TH
...

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J. J. Lodder wrote:

kazu <[email protected]> wrote:

essentially what i am asking is, is there something outside? or
can there even be outside??

is the universe like an egg and we are the yoke??

No point in speculating about things that cannot be observed,
not even in principle,

Jan

how would you know that it cannot be observed? if there is
something substantial beyond the edge and it makes the edge
appear a few deviations away from expected???

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