Nov 20, 2018
Star spotted on the brink of a gamma ray burst – and it’s alarmingly close to Earth
Posted by Genevieve Klien in category: cosmology
With the power to unleash as much energy in 10 seconds as the Sun does in its entire lifetime, gamma-ray bursts (GRBs) are the most energetic events in the universe, second only to the Big Bang itself. Given how sudden they are, we don’t usually get any warning, but now astronomers have spotted the telltale signs of a star system that could blow its lid any moment – and it’s far too close to Earth for comfort.