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NASA Unveils Stunning Images of Interstellar Comet 3I/ATLAS

11/22/2025

Summary

Story summary

Interstellar comet 3I/ATLAS prompted NASA to release new images near Mars.
Observations came from more than a dozen spacecraft, including Mars Reconnaissance Orbiter (MRO) and Mars Atmosphere and Volatile Evolution Mission (MAVEN).
The comet's core diameter ranges from 1,400 feet to 3.5 miles.
It will reach its closest Earth approach on December 19 at 167 million miles.
Upcoming James Webb Space Telescope observations will analyze its composition before it exits.

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Story summary

Interstellar comet 3I/ATLAS prompted NASA to release new images near Mars.
Observations came from more than a dozen spacecraft, including Mars Reconnaissance Orbiter (MRO) and Mars Atmosphere and Volatile Evolution Mission (MAVEN).
The comet's core diameter ranges from 1,400 feet to 3.5 miles.
It will reach its closest Earth approach on December 19 at 167 million miles.
Upcoming James Webb Space Telescope observations will analyze its composition before it exits.