Martian meteorite - here we join scientists who discovered a piece of meteor preserved in the ice of Antarctica. Space elevator - a look at an incredible idea of building a 62,000 mile carbon elevator that could carry 13 tonnes of load into space. Space gases - researches in London have developed a detection device for dangerous gases that can disrupt satellites. Scram jets - an amazing look at the testing of these jets that would travel 8 times the speed of sound. Space wedding - here a Russian cosmonaut marries his bride from space via a special phone. Weightlessness - we get exclusive access to training for weightlessness in space. Moon development - with the search for the dollar continuing, the moon seems to be the new target for commercial enterprise. Goddard - here we meet a man who despite being laughed at made some huge advances in rocket technology. Big bang - scientists continue their research into further understanding how the universe was born. Venus - a new computer enhancement of a bird’s eye view of the surface of the mysterious planet of Venus. Space dust - scientist examine dust found on the Hubble telescope when taken in for repairs. Windows in time - here we take an amazing look at some special comets that are as old as the universe itself.