Nov 24, 2015
For nearly a century, astronomers have known that the universe is expanding – most galaxies are moving away from each other. When we measure the motion of a distant galaxy, the overall expansion of the universe is, in most cases, by far the dominant contributor to...
Nov 3, 2015
Over the past few decades, studies into the evolution of galaxies have been reliant on data that has come from observing galaxies with individual fibre optics. The light from a galaxy travels down the fibre into a spectrograph where it is split into all of its...
Oct 30, 2015
The Epoch of Reionisation (EoR) is the time in the early Universe when the first stars and galaxies formed and re-ionised the neutral hydrogen. Indirect information about the EoR has been obtained from the Cosmic Microwave Background and spectra of the distant...
Oct 26, 2015
Early-type galaxies are thought to have a very simple structure, and therefore their properties ought to follow well-defined scaling relations. The most prominent of these is the Fundamental Plane. Under the assumption that galaxies are dynamically relaxed systems,...
Oct 22, 2015
Come time-travelling! In a special free talk at the University of Sydney on 29 October, CAASTRO Associate Investigator Professor Joss Bland-Hawthorn (University of Sydney) will take you back more than 13 billion years to when strange giant stars roamed the Universe....
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