News

Report of first search for visible light associated with gravitational waves

14 February 2016 Astronomy Now

Catastrophic mergers of binary black holes have been shown to generate gravitational waves, but they can also produce brilliant fireworks of light. Now a team of astronomers has used the Dark Energy Camera (DECam) mounted on the 4-metre Blanco Telescope in Chile in the first detailed search for a visible counterpart of a gravitational wave event.

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Oodles of faint dwarf galaxies shed light on cosmological mystery

24 November 2015 Astronomy Now

Computer simulations of the evolution of matter distribution in the universe predict hundreds of low mass dwarf galaxies for every Milky Way-like galaxy. An international team of astronomers recently announced the discovery of an astonishing number of faint low surface brightness dwarf galaxies in the Fornax Cluster, suggesting that the “missing satellites” are now being found.