Since there is no limit as to how big something can be (I think), I always think that our universe is actually a proton or neutron of some sort probably part of a "dog's flea", in another universe... Funny idea though..

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<span style='font-size:14pt;line-height:100%'><span style='color:red'>The</span><span style='color:black'> Black Hole</span><span style='color:red'> and </span> <span style='color:white'>White Hole </span><span style='color:red'>are best friends!</span></span>

We are trapped in space forever!