I wonder if Jim Kirk is still there.

http://www.foxnews.com/photoessay/0,4644,5383,00.html#2_0

by definition, he has to be. in fact, anybody could go back in, bring him back out again, and hey presto, kirks alive again.....yawn.

That's the energy barrier at the edge of the galaxy. The one the Enterprise flew into in the second pilot.