Documentary Description
We know how difficult it is for the US government and its allies to organise an exit strategy from Iraq.
So imagine how difficult it would be to organise an exit strategy from planet earth?
It sounds like science fiction, but it isn't.
The universe which scientists tell us began with a 'Big Bang' looks likely to end with a 'Big Freeze'.
This is bad news for intelligent life forms.
Gavin Esler talks to one of the world's leading experts
in theoretical physics. He hears about some possible means of escape
from our doomed planet earth.
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