European Southern Observatory (ESO) | Evolution of thermal images from Neptune @ESOobservatory | Uploaded 2 years ago | Updated 2 hours ago
The evolution of thermal images taken from Neptune using the VLT’s VISIR instrument. The images, taken between 2006 and 2021, show Neptune gradually cooling down, before a dramatic heating of its south pole in the last few years.

Read more about these images in the related press release: eso.org/public/news/eso2206

You can download this video in various formats here: http://www.eso.org/public/videos/eso2206a

Credit:
ESO/M. Roman