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Home»Posts tagged with»black holes

Gravitational Waves Detected 100 Years after Einstein’s Prediction

By National Science Foundation on Feb 11, 2016   Featured, Science/Education  

Gravitational Waves Detected 100 Years after Einstein’s Prediction

For the first time, scientists have observed ripples in the fabric of spacetime called gravitational waves, arriving at Earth from a cataclysmic event in the distant universe. This confirms a major prediction of Albert Einstein’s 1915 general theory of relativity and opens an unprecedented new window to the cosmos. Gravitational waves carry information about their […]

Spooky Alignment of Quasars Across Billions of Light-years

By Damien Hutsemékers/Dominique Sluse|Institut d'Astrophysique et de Géophysique — Université de Liège, Richard Hook | ESO education and Public Outreach Department on Nov 20, 2014   Featured, Science/Education  

Quasars are galaxies with very active supermassive black holes at their centres. These black holes are surrounded by spinning discs of extremely hot material that is often spewed out in long jets along their axes of rotation. Quasars can shine more brightly than all the stars in the rest of their host galaxies put together. […]

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