👉 The term "proepisternum" refers to a particular type of astronomical object in the constellation Proxima Centauri, also known as Proxima B. This is an exoplanet orbiting between two stars, Proxima Centauri and Proxima B, which are approximately 580 million years apart, making it one of the closest known exoplanets to Earth. Proepisternum is a small asteroid in the asteroid belt that orbits the Sun about 1
