The small, icy visitor now racing away from the inner solar system is not just another comet. It is an interstellar object, cataloged as 3I/ATLAS, and its evolving behavior is giving planetary ...
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The interstellar comet that's spilling its secrets
When 3I/ATLAS swept past the sun in late October 2025, it became only the third confirmed visitor from interstellar space ever detected. Unlike the mysterious 'Oumuamua, which revealed almost nothing ...
"It could represent some of the oldest and most pristine water ever observed, formed in another planetary system and preserved throughout its interstellar journey." When you purchase through links on ...
Observations made by SPHEREx between December 8 and 15, 2025, revealed the infrared light emitted by the dust, water, organic molecules and carbon dioxide present in the coma of comet 3I/ATLAS. NASA ...
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