👉 The term "higra" is commonly used in the context of astronomy and navigation. It refers to a small, spherical object that is often used as an aid for navigating at night or during low light conditions. The higra is typically made up of several smaller balls or spheres, each with a diameter that matches the diameter of the main ball or sphere. This allows the higra to be placed on the horizon and help the observer determine their position relative to the celestial body they are
