Disappearing Light Source (IMAGE) Stockholm University Caption A source visible in an old plate (left, seen as the bright source at the centre of the square) has disappeared in a later plate (right). From Villarroel et al. (2019). Credit Villarroel et al. (2019) 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.