The cosmos has sent us a series of blue flashes for more than a decade. We now have a clue as to what they really are.
For more than a decade, the cosmos has been sending us mysterious flashes of ultra-bright blue light that appear out of nowhere and disappear in a matter of days. This phenomenon has a strange little name, but they are known as ‘luminous fast blue optical transients’ (LFBOTs), and have baffled astronomers since its discovery. Now, … Read more