Measuring ripples in the cosmic web

29 Apr 2017

Astronomers have made the first measurements of small-scale fluctuations in the cosmic web 2 billion years after the Big Bang. These measurements were conducted using a novel technique which relies on the light of quasars crossing the cosmic web along adjacent lines of sight.

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Opinion: Aliens, very strange universes and Brexit – Martin Rees

03 Apr 2017

Martin Rees is Emeritus Professor of Cosmology and Astrophysics at the University of Cambridge, the Astronomer Royal, a member of Britain’s House of Lords, and a former President of the Royal Society. The following interview was conducted at Trinity College, Cambridge, by The Conversation’s Matt Warren.

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Rapid changes point to origin of ultra-fast black hole winds

01 Mar 2017

Astronomers have made the most detailed observation yet of an ultra-fast wind emanating from a Black Hole at a quarter of the speed of light. Using the European Space Agency (ESA)’s XMM-Newton and NASA’s NuSTAR telescopes, the scientists observed the phenomenon in an active galaxy known as IRAS 13224-3809.

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