wow.. It might work.  You should ask a professional 

That is really impressive thinking

The thoughts popping in my head after reading this,  WOW I have never even remotly thought of this! I bet i will be turning this over in my head for days!  if i come up with anything worthwhile ill let ya know!

Mate get in touch with brian cox your a very interesting guy nice theory

Any conjecture in science becomes solid with experimental evidence.

Here's a simple thing you can do to answer this question. Look at the night sky. Use not only what you can see but also data gathered by astronomers all over the world over all of history. Does this data indicate that there is a center point of immense gravity?  I think the answer to that question, so far, is no.

http://hubblesite.org/explore_astronomy/black_holes/encyc_mod3_q4.html

http://www.hawking.org.uk/into-a-black-hole.html

Ajay