Astronomers using ESO’s Very Large Telescope (VLT) have produced this beautiful image of the gas cloud Gum 46. This VLT image shows Gum 46, a nebula located 5,500 light-years away in the constellation of Crux. Image credit: ESO. Gum 46 lies approximately 5,500 light-years away from Earth in the constellation of Crux. At the heart of this nebula there’s a young, hot and blue star called HD 311999. “HD 311999’s intense radiation excites atoms...