09/02/2026
Meet Saturn’s decagon, a new feature at the gas giant’s southern pole imaged by the Hubble Space Telescope!
This is the first time a large regular-sided jet pattern has been observed in the planet’s southern hemisphere. The 10-sided wave resembles the famous hexagon at Saturn’s northern pole, but is different, suggesting scientists may be witnessing a new atmospheric phenomenon develop on the iconic gas giant: https://news.stsci.edu/4g9Gm1U