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3I/ATLAS: Interstellar Comet Has Water Unlike Any in Our Solar System

Summary by NewScientist
The levels of a heavy form of hydrogen in 3I/ATLAS are 30 to 40 times higher than in Earth's oceans, suggesting the comet has a cold and distant origin

6 Articles

Avi Loeb asks whether C/2026 A1 can provide clues about 3I/ATLAS and reopens the debate: “normal” Kreutz phenomenon or an orbital rarity that forces you to look twice?

The comet doesn't stop to surprise us. Recently, his armored shell and all the treasures of life under it captivates us.

The mysterious 3I/ATLAS interstellar comet, which lasts very close to Earth in December 2025, has in component an unsealed water so far, does not know where it comes from and is almost as old as the universe itself.

·Bucharest, Romania
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According to the Solar Astronomy Laboratory of the Space Research Institute of the Russian Academy of Sciences, interstellar comet 3I/ATLAS will reach its closest approach to Jupiter today at 3:20 PM Moscow time. NASA JPL specialists predict that the celestial body will pass at a distance of approximately 53.6 million kilometers from the system's largest planet. Image: NASA / European Space Agency via AP Despite its colossal size by Earth standa…

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se7en.ws broke the news in on Monday, March 16, 2026.
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