Astronomers have uncovered clues to a red giant’s chaotic past by detecting subtle stellar vibrations that hint at a long-ago collision and an unexpectedly rapid spin. Astronomers at the University of Hawaiʻi Institute for Astronomy (IfA) have pieced together the turbulent history of a distant red giant by studying the rhythms hidden in its light. [...]from SciTechDaily https://ift.tt/8OUBMIZ
