The second law of thermodynamics sorta requires that it happen eventually, and I'm not sure about you, but I've never been good at resisting enthropy ;-)
The sun is predicted to run out of hydrogen before that happens.
No, you can still worry. The core is not a static thing. The magnetic field has been weakening and may reverse. The south Atlantic anomaly has grown and the magnetic poles themselves have been moving.
yep, but not next month so don't worry about it.
I thought that was a secret invisible planet collision theory
:)...sounds like a perfect end to me
Not forever, but almost.
It happened to Mars.
yeah there is a probability that it will happen
No, the Earth is hollow.
ooo, do creatures live down there like in Jules Vern .....?
I think their are some sort of amimals down their.
But their are people, according to Admaral Byrd
It's rather hot once you dig down though...They couldn't be human people......unless you mean like that planet within...sort of thing ~_~