Meet Regulus A, dubbed "Little King" and "Heart of the Lion," among the 25 brightest stars in the sky. The star belongs to a complex system, including a close white dwarf companion that makes its ultimate fate uncertain.
Betelgeuse, the brilliant red star at the right shoulder of Orion, is a supergiant whose girth extends out to the orbit of Jupiter.
Meet the brightest stars near Earth. Next up: Polaris, the North Star, the star within a degree of the north celestial pole.
Meet the stars near Earth, starting with the brightest: Sirius, the "Dog Star."