Featured series 
Tag: Ramesh Narayan
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Nation & World
Making the ultimate darkness visible
University of Arizona physicist Dimitrios Psaltis has devoted his Radcliffe fellowship to black hole imaging linked to the Event Horizon Telescope project.
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Nation & World
Scientists find black hole’s ‘point of no return’
By a score of 135 to zero, scientists using NASA’s Rossi X-ray Timing Explorer have compared suspected neutron stars and black holes and found that the black holes behaved as…
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Nation & World
Uncovering new evidence for ‘event horizons’ surrounding black holes
With results that fundamentally differ from earlier black hole studies, Harvard researchers have shown that some recently discovered black holes are not only ultra-dense, but actually possess event horizons that…