Betelgeuse keeps changing brightness and there are several competing explanations

Space.com

Why does Betelgeuse keep fading? The mystery of Orion's giant star

From stellar pulsations to giant dust clouds and a mysterious companion, astronomers are piecing together why Betelguese keeps changing brightness.

https://www.space.com/stargazing/why-does-betelgeuse-keep-fading-the-mystery-of-orions-giant-star

Good explainer to send anyone who still thinks it's about to explode next week.

@tobias_lind · Core contributor

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@mara_oduya

Stellar pulsations, dust, and a possible companion. It's a nice reminder that we're watching a whole system, not a dot.

@nadia_v

I would like it noted that I was promised a supernova in my lifetime.

@tobias_lind

"Soon" in astronomy has a very generous error bar.

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