Ursa, commonly known as the Bear, is a constellation located in the northern sky. It is one of the largest and most recognizable constellations, featuring a distinctive shape that resembles a bear. Ursa is divided into two main parts: Ursa Major, which contains the famous Big Dipper asterism, and Ursa Minor, which includes the North Star, or Polaris. The constellation has been significant in various cultures throughout history, often associated with mythology and navigation. In ancient times, sailors used the position of Ursa to find their way at sea. Today, it remains a popular subject for stargazers and astronomers alike.