Story perspectives

Comet 3I/ATLAS to Pass Mars in 2025

10/13/2025

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Summary

Story summary

Comet 3I/ATLAS is crossing the solar system and will pass Mars on October 3, 2025, about 30 million kilometers away, monitored by the National Aeronautics and Space Administration (NASA) and the European Space Agency (ESA).
The comet is about five kilometers wide and rich in nickel and iron.
Mars orbiters will refine its size and composition.
ESA is preparing the Comet Interceptor mission, set to launch in 2029, to study pristine comets or another interstellar object.

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Story summary

Comet 3I/ATLAS is crossing the solar system and will pass Mars on October 3, 2025, about 30 million kilometers away, monitored by the National Aeronautics and Space Administration (NASA) and the European Space Agency (ESA).
The comet is about five kilometers wide and rich in nickel and iron.
Mars orbiters will refine its size and composition.
ESA is preparing the Comet Interceptor mission, set to launch in 2029, to study pristine comets or another interstellar object.