Polaris, also known as the North Star, is a bright star located nearly directly above the North Pole. It is part of the constellation Ursa Minor and is often used for navigation because it remains in a fixed position in the sky, making it a reliable point of reference for travelers. Polaris is approximately 433 light-years away from Earth and is classified as a supergiant star. It is about 2,500 times more luminous than the Sun and has a surface temperature of around 6,000 degrees Celsius. Its brightness and position have made it significant in various cultures throughout history.