Astrophysical Journal

Proxima Centauri's no good, very bad day

A team of astronomers led by Carnegie's Meredith MacGregor and Alycia Weinberger detected a massive stellar flare—an energetic explosion of radiation—from the closest star to our own Sun, Proxima Centauri, which occurred ...

dateFeb 26, 2018 in Astronomy
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Stellar winds behaving unexpectedly

ESA's XMM-Newton has spotted surprising changes in the powerful streams of gas from two massive stars, suggesting that colliding stellar winds don't behave as expected.

dateFeb 05, 2018 in Astronomy
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