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Alien comet 3I/ATLAS photographed from Mars carries ice ten times richer in deuterium than ours

3I/ATLAS interstellar comet, first photographed from Mars orbit in October 2025, carries water ice with deuterium levels more than ten times higher than any solar system comet. The James Webb Space ...
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Comet or alien tech? What China’s Mars orbiter Tianwen-1 images reveal about 3I/Atlas

China’s Mars orbiter, Tianwen-1, took the first close-up pictures of Comet 3I/Atlas, which has been in the news for a couple of months now. So, do these pictures give scientists some information about ...