Happy birthday Sputnik!
Astronaut Helen Sharman discusses the enormous symbolic significance of the satellite
Sixty years ago today the space race started with a bang when the then Soviet Union launched the world's first artificial satellite - Sputnik.
The first British astronaut, Helen Sharman and curator of the Science Museum's Cosmonaut exhibition Doug Millard discuss the enormous symbolic significance of the satellite.
(Image: Sputnik. Credit: BBC)