James Gilbert, a researcher in astrophysics gives an exciting talk on how astronomy uses Spectroscopy - the study of the interaction between matter and radiated energy.

Astronomy at the Highest Energies Possible

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/