Jun 22, 2015
The seemingly peaceful night sky can make us forget how wild a place the Cosmos actually is. Supernovae, for instance, are the explosions of massive stars that end their lives violently. They are so energetic that they can affect the fate of their entire host galaxy....
Jun 18, 2015
Originally conceived as an imaging telescope, the Murchison Widefield Array (MWA) has now been equipped with a high time resolution data recorder to enable time domain science applications such as pulsars and fast radio bursts. By taking advantage of this new...
Jun 16, 2015
Radio galaxies are distant objects that emit tremendous amounts of energy, allowing astronomers – such as CAASTRO postdoctoral fellow Benjamin McKinley (University of Melbourne) and colleagues – to study them across the vast expanses of the Universe. Named so because...
Jun 11, 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 distant quasars....
Jun 8, 2015
The Epoch of Reionisation (EoR) marks a period in the first billion years of the Universe when the first stars, galaxies and black holes produced light and changed the nature of the Intergalactic Medium, the gas between the galaxies. In this period, neutral hydrogen...
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