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The Hindu News

Science/Tech / The Hindu

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Alaknanda: Indian astronomers spot implausibly old spiral galaxy

Alaknandas existence poses a significant puzzle for astronomers: it took shape when the universe was only about 1.5 billion years old, defying current models of galaxy formation. According to one expert, either the galaxy grew steadily by drawing in cold gas or it interacted or merged with a smaller companion galaxy

29 Dec 2025 11:45 am