The image shows a good example of the phenomenon called airglow.

ISS astronauts watch Earth's atmosphere glow green | Space photo of the day for Dec. 8, 2025

Source: space
Source Link: https://www.space.com/space-exploration/international-space-station/iss-astronauts-watch-earths-atmosphere-glow-green-space-photo-of-the-day-for-dec-8-2025