could Earth survive if most stuff in the universe when poof!???

Penn wrote:
I think that what the original poster means is that midway between our
and the next system's Kuiper Belt a limit is established: everything on
our side goes on and everything on the other side ceases to exist,
*including* in-transit gravity waves, photons, radiation bursts,
whatever.

The night sky, except for the dots indicating the Moon and planets of
our system, would go dark after the time it takes for a photon to go
from the end of our Kuiper Belt to Earth. Few minutes I think.

Does the sun need outside radiation, gravitational energy, or whatnot
to keep on trucking? No.

Nothing would change. We'd still have a few billion years in front of
us.



Everything would fall into the Sun.

Dear Sam Wormley:

"Sam Wormley" wrote in message
news:LXKjg.30361$1i1.27957@attbi_s72...
....
Nothing would change. We'd still have a few billion
years in front of us.

Everything would fall into the Sun.

I wouldn't think so. I would think that expansion would simply
accelerate, such that we could no longer see the Sun (except as
we now see the CMBR). The Earth would be far too large to be
stable, and spin off more "moons". And they too would sail off,
having far too much momentum to stay in orbit.

David A. Smith

N:dlzc D:aol T:com (dlzc) wrote:
Dear Sam Wormley:

"Sam Wormley" wrote in message
news:LXKjg.30361$1i1.27957@attbi_s72...
...

Nothing would change. We'd still have a few billion
years in front of us.

Everything would fall into the Sun.


I wouldn't think so. I would think that expansion would simply
accelerate, such that we could no longer see the Sun (except as
we now see the CMBR). The Earth would be far too large to be
stable, and spin off more "moons". And they too would sail off,
having far too much momentum to stay in orbit.

David A. Smith



Hmmmm... I'm thinking with 99% of the mass concentrated at the
center of this "universe" that would not be the case.

Dear Sam Wormley:

"Sam Wormley" wrote in message
news:FqTjg.30803$No1.18793@attbi_s71...
N:dlzc D:aol T:com (dlzc) wrote:
Dear Sam Wormley:

"Sam Wormley" wrote in message
news:LXKjg.30361$1i1.27957@attbi_s72...
...

Nothing would change. We'd still have a few billion
years in front of us.

Everything would fall into the Sun.

I wouldn't think so. I would think that
expansion would simply accelerate, such
that we could no longer see the Sun (except
as we now see the CMBR). The Earth would
be far too large to be stable, and spin off
more "moons". And they too would sail off, having far too
much momentum to stay in orbit.

Hmmmm... I'm thinking with 99% of the mass
concentrated at the center of this "universe"
that would not be the case.

Sam! Every point in the Universe is equidistant from the center
*now*. So all mass is at the "center", always.

There is only enough spacetime produced by matter/energy to play
out the various conservation laws. And gravitation is not a
force, just a "traffic jam", one alleviated by the local
production of extra spacetime through expansion. The second law
will also have its sway, even if some God opened the system long
enough to remove all the pretty stuff.

Of course, the possibility of having the entire contents of the
Universe (save the "lucky ones") removed is nil...

David A. Smith

N:dlzc D:aol T:com (dlzc) wrote:
Dear Sam Wormley:

"Sam Wormley" wrote in message
news:FqTjg.30803$No1.18793@attbi_s71...

N:dlzc D:aol T:com (dlzc) wrote:

Dear Sam Wormley:

"Sam Wormley" wrote in message
news:LXKjg.30361$1i1.27957@attbi_s72...
...


Nothing would change. We'd still have a few billion
years in front of us.

Everything would fall into the Sun.

I wouldn't think so. I would think that
expansion would simply accelerate, such
that we could no longer see the Sun (except
as we now see the CMBR). The Earth would
be far too large to be stable, and spin off
more "moons". And they too would sail off, having far too
much momentum to stay in orbit.

Hmmmm... I'm thinking with 99% of the mass
concentrated at the center of this "universe"
that would not be the case.


Sam! Every point in the Universe is equidistant from the center
*now*. So all mass is at the "center", always.

There is only enough spacetime produced by matter/energy to play
out the various conservation laws. And gravitation is not a
force, just a "traffic jam", one alleviated by the local
production of extra spacetime through expansion. The second law
will also have its sway, even if some God opened the system long
enough to remove all the pretty stuff.

Of course, the possibility of having the entire contents of the
Universe (save the "lucky ones") removed is nil...

David A. Smith



Under this scenario of everything else disappearing... I'm thinking
about the value of the Higgs field changing rendering a much lower
value for inertial mass.

This whole thought problem makes no sense anyway, so I'm not sure
why I'm even participating.