Stargazing Live


Series 3 - Episode 2 Stargazing



Professor Brian Cox and Dara O Briain explain how it is possible to chart the history of the universe by looking millions of light years out into the depths of space, while Mark Thompson reveals what can be learnt from the colours of the stars. At Nasa, Liz Bonnin meets the team building the largest space telescope in the world, an instrument that will be 100 times more powerful than the Hubble.