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Webb Telescope Reveals Dust-Rich Water Ice in Interstellar Comet 3I/ATLAS
🇺🇸 United States · Technology · 4 h ago
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26.10 22:38 UTC
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James Webb Space Telescope Reveals Dusty Water Ice on Interstellar Comet 3I/ATLAS
Interstellar comets are small icy bodies that formed in the disks of gas and dust around other stars and are now passing through our Solar System, said Dr.
These observations spanned about eight months surrounding the comet’s closest approach to the Sun, which occurred on October 29, 2025.
The grains of 3I/ATLAS are about the same size as those in our own comets, Dr.
Data from the April 2026 observation further hinted at a secondary population containing larger, micron-sized ice-rich grains.
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