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First-Ever Coronal Mass Ejection Detected from Distant Star

11/13/2025

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Summary

Story summary

The first coronal mass ejection from a star other than the Sun has been confirmed, using data from the European Space Agency's XMM-Newton and the LOFAR telescope.
The CME originated from the red dwarf star StKM 1-1262.
The eruption could strip the atmosphere from any nearby planets.
The discovery, published in Nature, implies such space weather threatens habitability around active red dwarfs, which are common in the Milky Way.

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Story summary

The first coronal mass ejection from a star other than the Sun has been confirmed, using data from the European Space Agency's XMM-Newton and the LOFAR telescope.
The CME originated from the red dwarf star StKM 1-1262.
The eruption could strip the atmosphere from any nearby planets.
The discovery, published in Nature, implies such space weather threatens habitability around active red dwarfs, which are common in the Milky Way.