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Massive Interstellar Object 3I/ATLAS to Pass Mars Soon

9/28/2025

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Summary

Story summary

Interstellar object 3I/ATLAS weighs over 33 billion tons.
Discovered in July 2025, 3I/ATLAS is mainly carbon dioxide and water ice.
It will pass 1.67 million miles from Mars on October 3, 2025, with no Earth threat.
James Webb Space Telescope notes mass loss of about 150 kg per second. Some scientists speculate it could have technological origins.

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Story summary

Interstellar object 3I/ATLAS weighs over 33 billion tons.
Discovered in July 2025, 3I/ATLAS is mainly carbon dioxide and water ice.
It will pass 1.67 million miles from Mars on October 3, 2025, with no Earth threat.
James Webb Space Telescope notes mass loss of about 150 kg per second. Some scientists speculate it could have technological origins.