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First-Ever Coronal Mass Ejection Detected from Distant Star

11/19/2025

Summary

Story summary

Astronomers have confirmed the first-ever coronal mass ejection from a distant star, a red dwarf about 130 light-years away.
The eruption could strip atmospheres from nearby habitable planets, exposing them to extreme radiation.
The discovery used the European Space Agency’s XMM-Newton space telescope and LOFAR radio telescope, which detected a brief, intense radio signal.
The ejection traveled about 1,500 miles per second, a speed rarely seen in solar CMEs.

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Story summary

Astronomers have confirmed the first-ever coronal mass ejection from a distant star, a red dwarf about 130 light-years away.
The eruption could strip atmospheres from nearby habitable planets, exposing them to extreme radiation.
The discovery used the European Space Agency’s XMM-Newton space telescope and LOFAR radio telescope, which detected a brief, intense radio signal.
The ejection traveled about 1,500 miles per second, a speed rarely seen in solar CMEs.