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Astronomers have discovered a rare ‘polar ring galaxy’ wrapped in a huge ribbon of (...)

13 septembre 2023 | The Conversation

Galaxies come in many shapes and sizes, from giant, slowly rotating ovals and fast-whirling spiral disks to faint ball-shaped blobs and dwarf irregulars. Most large, bright galaxies – including our own Milky Way – are orbited by a gang of much smaller dwarf galaxies. Most of this we know from (...)

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