To locate Corona Borealis, start with the Plough (Big Dipper) and follow the curve of its handle down to Arcturus, the brightest star in the neighbouring constellation Bootes. To the left of Arcturus, ...
Astronomers await a rare cosmic event as T Coronae Borealis, the Blaze Star, prepares to erupt in a thermonuclear explosion, making it briefly visible in the night sky.