A team of astronomers at the Leibniz Institute for Astrophysics Potsdam, Germany, has created a video that shows the evolution of stellar spots on the red giant star HD 12545. HD 12545, also known as XX Tri, is an active K0 giant star located about 1,500 light-years away toward the constellation Triangulum. This star is approximately 10 times larger and twice as massive as the Sun. “The star is famous for its detected super-spot with a linear extension...
