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National Radio Astronomy Observatory (NRAO)

Powerful Flare from Star Proxima Centauri Detected with ALMA

26 Feb 2018, 13:50 UTC
Powerful Flare from Star Proxima Centauri Detected with ALMA

Space weather emitted by Proxima Centauri, the star closest to our sun, may make that system rather inhospitable to life after all.

Using data from the Atacama Large Millimeter/submillimeter Array (ALMA), a team of astronomers discovered that a powerful stellar flare erupted from Proxima Centauri last March. This finding, published in the Astrophysical Journal Letters, raises questions about the habitability of our solar system’s nearest exoplanetary neighbor, Proxima b, which orbits Proxima Centauri.

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