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Zooming in on Betelgeuse

Today’s paper uses adaptive optics and polarized visible light to probe Betelgeuse’s secrets. These observations have lots to tell us about interactions among the star’s surface, the closest and most-recently-ejected clumps of gas, and brand new polarized dust.

A 1500 Year Old Explosion (maybe)

On 16th November in 483 CE, astronomers in China recorded the appearance of “a guest star east of Shen, as large as a peck measure, and like a fuzzy star”. The new celestial light shone brightly for just under a month, then faded to nothing. Over 1500 years later, the authors of today’s paper suggests that they may have found the source.

Beyond astro-ph

Astronomy beyond the research

Navigating careers in astronomy

Career advice

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