PHOTO
A still image from a simulation of two black holes that inspiral and merge.
By Courtesy Caltech | Sep. 18, 2020A still image from a numerical simulation of two black holes that inspiral and merge, emitting gravitational waves. (Credit: N. Fischer, H. Pfeiffer, A. Buonanno (Max Planck Institute for Gravitational Physics), Simulating eXtreme Spacetimes (SXS) Collaboration)