Context is provided on solar CMEs and their effects on Earth and planets, with stellar CMEs posing similar or more extreme risks to exoplanets.

The study highlights the importance of understanding extrasolar space weather and how repeated CMEs could shape planetary atmospheres and potential life-supporting conditions.

LOFAR used new data-processing techniques to detect the radio signal, while XMM-Newton measured the star’s brightness, rotation, and temperature to interpret the eruption’s nature and motion.

A new analysis technique called Radio Interferometric Multiplexed Spectroscopy (RIMS) was used to interpret the radio signals and confirm the CME origin.

Nature published the finding, resolving a 30-year debate about whether stellar CMEs can truly escape and travel through interstellar space.

The LOFAR detection represents the first confirmed CME from StKM 1-1262, demonstrating that stellar eruptions can overcome a star’s gravity and magnetic field.

Astronomers have for the first time observed a coronal mass ejection escaping from a star other than the Sun, using LOFAR radio data and XMM-Newton observations to confirm CME activity beyond our solar system.

Researchers emphasize the value of combining radio and X-ray observations to identify CMEs on other stars, marking a new observational frontier in stellar space weather and exoplanet studies.

The discovery of a coronal mass ejection escaping from a star beyond our solar system has major implications for space weather around other stars and the habitability of exoplanets, since CMEs can strip atmospheres and influence planetary climates.

The event was identified through a type II radio burst detected by LOFAR, signaling a massive ejected plasma and magnetic field, with XMM-Newton data helping determine the star’s temperature, rotation, and X-ray brightness to contextualize the eruption.

A red dwarf star, roughly 130 light-years away, produced the first confirmed CME detected from a star beyond the solar system.

The study, published in Nature on the agenda date, establishes a direct observation method for stellar CMEs and suggests that smaller stars may experience even more extreme space weather than the Sun.