New thermal maps of Neptune reveal surprising temperature swings
Atmospheric temperatures show a global drop, then a weird spike at the south pole
![image of Neptune](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/04/040822_lk_neptune_feat.jpg?fit=1030%2C580&ssl=1)
Voyager 2 captured this portrait of Neptune when the NASA probe flew by the ice giant in 1989. A new analysis of Earth-based data shows intriguing and unexplained temperature swings in Neptune’s atmosphere.
Kevin M. Gill/JPL-Caltech/NASA