Virgin Galactic: Commercial trips to space by 2014
Tourists making trips to space sounds like the stuff of science fiction movies but Virgin say they could be taking commercial flights outside of the earth's atmosphere by 2014.
With tickets costing more than £100,000 it is still out of reach for most.
David Mackay, who is a pilot with Virgin Galactic, explained what you would experience for your money.
- From the section Science & Environment