Subject: How are manifolds in space formed and are they a weak structure of space?

I have read that in space, there are things called manifolds which (are 
sort of shaped like tubas) are something like magnetic fields that are 
between planets, moons, and other celestial bodies in space, and in the 
"black" matter.  Are these manifolds formed by magnetic fields from the 
celestial bodies running into each other and forming the tuba-like shape 
of the manifold? and if (if possible) a manifold in space was lost, or 
just happened to "disappear" would the universe come crashing down, or 
what would happen????

Re: How are manifolds in space formed and are they a weak structure of space?