Binary White Dwarf Merger (VIDEO) Center for Astrophysics | Harvard & Smithsonian This video is under embargo. Please login to access this video. Caption CfA astronomers have found a pair of white dwarf stars orbiting each other once every 39 minutes. In a few million years, they will merge and reignite as a helium-burning star. Credit CfA Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.