Polaris A

Polaris A is the brightest star in the constellation Polaris, also known as the North Star. It is approximately 430 light-years away from Earth and is notable for its nearly fixed position in the sky above the North Celestial Pole, making it a key navigation point for travelers in the Northern Hemisphere. Polaris A is a yellow supergiant star that varies slightly in brightness and is part of a multiple star system. Its steady position in the sky has made it an essential reference for navigation for centuries.