Using the Southern African Large Telescope, UCT Astronomy's Prof Tom Jarrett and colleagues recently determined the very fast rotation speeds of 'super spirals', large massive spiral galaxies. Read all about this exciting research in the SAAO press release, or the article on Universe Today. This research was published in the Astrophysical Journal Letters. 

Prof Jarrett is the NRF SARChI Chair in Astrophysics and Space Science.