One evening when cloudy weather put a halt to his astronomy research, Harvard Ph.D. student Alex Parker was inspired to get creative -- so he uploaded the top 100 images from the Hubble telescope into a mosaic-making program and recreated Van Gogh's iconic 1889 painting. No big deal.
Australian summer of 2008/9, Gippsland Lakes. An unusually high concentration of Noctiluca scintillans, a bioluminescent microorganism, turned the water a bright, glowing, ethereal blue. The bioluminescence only glows when the water is moved or disturbed.