A gravitational lens bends light around it from a background quasar in this Hubble picture. Multiple images of the quasar appear, the light from each having followed a different path.

NASA, ESA, S.H. Suyu (Max Planck Institute for Astrophysics, Technical University of Munich, and Academia Sinica Institute of Astronomy and Astrophysics), and K.C. Wong (University of Tokyo’s Kavli Institute for the Physics and Mathematics of the Universe)