What is the Great Attractor and its pull on our galaxy?
Around four decades ago, astronomers became aware that our galaxy, the Milky Way, was moving through space at a much faster rate than expected.
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).