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Home SCIENCE Alien Life: Deadly Stellar Radiation Blows Up 'Habitable' Exoplanets Every Few Days

Alien Life: Deadly Stellar Radiation Blows Up ‘Habitable’ Exoplanets Every Few Days

Planets orbiting M-class red dwarf stars have been suggested as some of the most promising places to search for extraterrestrial life, but it now appears that powerful outbursts from the stars could render them uninhabitable.

Space


September 26, 2022

Artist’s impression of a flaming red dwarf star and a nearby planet

ROBERTO MOLAR CANDANOSA/CARNEGIE/NASA

Planets once considered the most promising candidates for supporting life outside the solar system may actually be uninhabitable due to powerful stellar eruptions, according to the largest ever survey of planet-hosting stars. However, these high-energy bursts could still be useful in starting chemical processes for life.

Exoplanets discovered in their parent star’s so-called habitable zone, where conditions are neither too hot nor too cold for liquid water to exist on its surface, often…

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