This is a news story, published by Live Science, that relates primarily to Betelgeuse news.
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constellation OrionLive Science
•76% Informative
A new theoretical study proposes that Betelgeuse has a sunlike companion that orbits it.
If you train a telescope on the star for weeks , you'll see it dimming, then brightening, then dimming again.
These pulsations stretch over roughly 400 days , but if plotted over years , you'd find these 400-day-long heartbeats superimposed on a larger, slower heartbeat.
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