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Comet 3I/ATLAS is older than the sun
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Comet 3I/ATLAS is older than the sun

So, astronomers have made a fascinating discovery about comet 3I/ATLAS, revealing it might be over 9 billion years old—older than our very own sun! This interstellar visitor, which passed by Earth in 2025, has provided a unique glimpse into the cosmos and its ancient origins. Researchers found that its composition includes high ratios of nitrogen and carbon isotopes, hinting at its formation around a low-metallicity star long before our solar system came to be. It's like holding a cosmic fossil that tells us about the universe's early days, and I can't wait to see what else we learn from this incredible comet!
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