Robert Simpson, an astronomy researcher from Oxford takes us on a tour of the Universe, explaining the incredible distances and relative dimensions of space.

The Philae - Rosetta Mission (update)

Find out more about our night sky, from new planets to far-off galaxies and the vastness of the Universe. A series of short talks and presentations for the general public from leading astronomy researchers at the Oxford University Physics department - http://www.physics.ox.ac.uk/