The certificate recognizes that Leon V. Pinnock successfully completed and received a passing grade in ANU-ASTRO1x: Greatest Unsolved Mysteries of the Universe, an online course offered by ANUx, an online learning initiative of the Australian National University through edX. The certificate is signed by the Deputy Vice-Chancellor (Academic), ANU Online Lead, and two Professors from the Australian National University and verifies that Leon V. Pinnock earned this honor through online study.