You know there's something you can actually go to instead of wasting people's time on a question that won't even matter when your dead its called GOOGLE Idiotof2014
NAZI trusted in theory of fire and ice and were trying to bounce radio waves against this outer crust. Gagarin proved them wrong, few years later, for good. This theory was theory of blacksmith. He gave it lot of thinking before he uttered it. Saying that our Moon is of residue ice from the primal explosion.
Also wouldnt there be a day 24h long at all places on Earth then? Like how you explain night in Sydney and afternoon in UK with that hollow model?
Hollow earth is not true it has layers. Earth has 5 layers •core •inner core •outer core •mantle •crust ( where we and animals live)
I actually like threads like this even though i think it's bologna at least it's possible to have a interesting discussion