Pontypridd people reflect on end of world date
19 September 2013 Last updated at 09:45 BST
People in Pontypridd share views on research from the University of East Anglia which has put a scientific time frame on when the end of the world might actually happen.
Astrobiologists say there will be habitable conditions on Earth for at least another 1.75 billion years.
Stephen Fairclough reports.