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ESA's XMM-Newton Telescope Detects 3I/ATLAS' Mysterious X-Ray Glow

Summary by IBTimes UK
3I/ATLAS, a rare visitor from beyond the solar system, has revealed an unexpected signal. Scientists at the European Space Agency (ESA) have confirmed that their XMM-Newton space telescope detected a faint X-ray glow from the interstellar object known as 3I/ATLAS. The discovery was made in early December 2025 as the comet moved closer to Earth, offering researchers a new way to study how alien objects react to the Sun's influence. READ MORE: 3I/…
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IBTimes UK broke the news in United Kingdom on Tuesday, December 23, 2025.
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