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 ...