Now look between Arcturus and Vega (slightly closer to ... It's a binary star system with a cool, red giant star and a smaller, hotter white dwarf star orbiting each other. Every 80 years, the ...

This star system is significant in the search for habitable exoplanets. Arcturus is the fourth brightest ... located in the Boötes constellation. This is a red giant and nears the end of its ...

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, ...