They’re coming. The 178-year-old Economist newspaper is not given to flights of fantasy but may have confirmed a Topical reader’s prognosis of several months ago regarding Australia’s recent catalogue of natural disasters. “We have had drought, bushfires, floods and now the mouse plague,” he said. All that was missing, he predicted, was ‘an invasion from outer space’. Now, The Economist has published a report that a mysterious object passed through our solar system at about 200,000 mph in 2017. “It was small, about 400 metres long and shiny – perhaps 10 times shinier than any asteroid or comet. It seemed […]