Astronomy
Chandra found a hidden companion behind a giant star’s mysterious 113-day outbursts
A star roughly 30 million light-years away has been flaring on a schedule, and astronomers now think something dark is pulling the strings. The star, AT 2016blu in the galaxy NGC 4559, has erupted at least 27 times between 2012 and 2026, roughly once every 113 days. A new study proposes that an unseen companion, […]
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