Who’s killing physics?

On a recent visit to my mum’s place, I searched through my old stuff for something my children might like. One book that caught my eyes was (the German edition of) James Trefil’s Dark Side of the Universe. It’s about cosmology, the Big Bang and the expansion of the universe, Einstein’s theory of general relativity, … Continue reading Who’s killing physics?

Mapping the southern skies

In 2022, the Australian Square Kilometre Array Pathfinder Telescope in WA will embark on a massive project to map the southern skies in radio waves. This survey, the Evolutionary Map of the Universe (EMU), will help us understand how the first stars and galaxies formed and evolved. Cosmos spoke to Dr Michael Cowley, an astrophysicist … Continue reading Mapping the southern skies

Cosmology, next-gen

In the year 1909, a little-known astronomer named Vesto Slipher began a series of painstaking observations at the Lowell Observatory in Flagstaff, Arizona, in the US. The observatory had been built primarily to look for evidence of Martian canals, but Slipher had set his sights well beyond the Red Planet and its putative inhabitants. His … Continue reading Cosmology, next-gen

Cosmology, next-gen

What is the Eridanus cold patch? If anti-matter exists, why wasn’t it formed in the big bang? Are our laws of physics merely cosmological fossils? The last century has grown our understanding of the universe from speculation to precision science – and raised fundamental questions. In the year 1909, a little-known astronomer named Vesto Slipher … Continue reading Cosmology, next-gen

Astronomers react to black hole images

In one of the biggest scientific announcements of recent times, an international collaboration of astronomers and astrophysicists revealed overnight the first ever image of a black hole. The image, resembling a bright donut, shows for the very first time the Event Horizon – the point at which no light can escape the gravitational pull of … Continue reading Astronomers react to black hole images