What is the Great Attractor and its pull on our galaxy?
A look at the concept of the 'Great Attractor' and the discovery of hundreds of hidden galaxies outside the Milky Way.
Professor Lister Staveley-Smith is Science Director at University of Western Australia node of the International Centre for Radio Astronomy Research (ICRAR,) and Deputy Director of the ARC Centre of Excellence for All-sky Astrophysics (CAASTRO).