James Webb Telescope Discovers Ancient 'Cosmic Jellyfish' Galaxy Ripped Apart

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James Webb Spots 8.5-Billion-Year-Old 'Cosmic Jellyfish' Galaxy Being Torn Apart

James Webb Space Telescope have discovered a rare “jellyfish galaxy” 8.5 billion light-years away. (Image: NASA)

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Moneycontrol•22-02-2026, 15:36

James Webb Spots 8.5-Billion-Year-Old 'Cosmic Jellyfish' Galaxy Being Torn Apart

•NASA's James Webb Space Telescope discovered COSMOS2020-635829, a rare 'jellyfish galaxy' 8.5 billion light-years away.
•The galaxy's luminous 'tentacles' are formed by ram-pressure stripping, where hot gas strips away its own gas as it moves rapidly.
•Webb's infrared capabilities allowed astronomers to observe this galaxy as it existed when the Universe was roughly 5.3 billion years old.
•Intriguingly, new stars are forming within the stripped gas tentacles, indicating star birth outside the galaxy's main body.
•This 'cosmic jellyfish' offers a glimpse into the Universe's turbulent youth, showing a galaxy caught between growth and loss.

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