Astronomers discover mysterious 10-sided cloud structure at Saturn's south pole

Astronomers have discovered a massive 10-sided cloud structure at Saturn's south pole using data from the Hubble Space Telescope. This 'decagon' is significantly larger than the famous hexagon found at the planet's north pole, challenging previous assumptions about Saturn's atmospheric patterns.
Why it matters
This discovery provides new insights into planetary meteorology and atmospheric dynamics, expanding our understanding of gas giant behavior.
Solar System Saturn Astronomers discover mysterious 10-sided cloud structure at Saturn's south pole News By Charles Q. Choi Published 2 September 2026 "It certainly came as a surprise."
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Click for next article Saturn's south pole as captured by the Hubble Space Telescope in August 2025. (Image credit: NASA, ESA, A. S nchez-Lavega (Basque Country University, EHU)) Copy link Facebook X Whatsapp Reddit Pinterest Flipboard Email Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter A mysterious giant 10-sided pattern of clouds has recently formed around Saturn's south pole, a new study finds.
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