SpaceMashableabout 3 hours ago
Webb Detects Dusty Ice on Interstellar Comet
4 min read
NASA's James Webb Space Telescope observed interstellar comet 3I/ATLAS between Aug. 2025 and April 2026, revealing its ice contains tiny, micron-scale grains mixed with dust. This finding suggests alien comets form similarly to distant solar system worlds, potentially explaining how planet-building materials travel between stars.
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