AC> KK> If we apply this to the BB model, then the BB did not expand
AC> KK> into a pre-existing space and time; rather, space and time
AC> KK> appeared along with matter as we know it.  That's a truly weird
AC> KK> concept to try and wrap your mind around, but relativity has been
AC> KK> right about so many other things that it's very likely right
AC> KK> about that too.
AC>So, Relativity is right even if it trashes the First Law
AC>of Thermodynamics?  An expansion of space would create
AC>potential energy between gravitationally bound bodies.
In a Newtonian universe, perhaps.  But we live in a relativistic
universe where local forces like gravity are more significant than
entities like space.  I sent off a query about this to an
astrophysicist -- hopefully he'll reply.
And hopefully you can explain what the first law of thermo has
to do with it.
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