Comment une simple photo amateur a mené à une découverte majeure sur Saturne !
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Résumé vidéo
Généré par IAAstronomers have discovered a massive, evolving decagon (a ten-sided polygon) forming at Saturn's south pole. While the north pole has featured a stable hexagon for over 40 years, this new southern structure is less regular and appeared recently, potentially between 2017 and 2023, offering a rare opportunity to study the birth of a planetary atmospheric phenomenon.