Gianni Tumino from Ragusa, Sicily, Italy The snow-covered slopes of Mount Etna are lit up by an eruption as the stars circle overhead on the night of Dec. 28, 2025. The photographer used a Canon mirrorless camera and 50mm lens at f/3.2 to take 251 exposures of 3 seconds each at ISO 6400. The post Fire and ice appeared first on Astronomy Magazine .