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Betelgeuse star

As part of the Orion constellation Betelgeuse can …












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Yet, the rapid dimming as of late is unusual, they say, prompting them to wonder if the star’s spectacular demise is approaching.

“This will inevitably yield cool and interesting ideas for what happens to stars right before they explode.”



But the explosion associated with the star’s demise won’t have any effect over life on Earth — aside from a good show — before fading into eternity.Betelgeuse’s supernova “would be so incredibly cool!” Nance Unfortunately, we have no idea when the main event will go down. Betelgeuse is 640 light years from Earth.

Recent studies have predicted that it will happen within the next million years, and as soon as 100,000 years from now. It is classed as a red supergiant and is the tenth brightest star in the night sky. Betelgeuse, also called Alpha Orionis, second brightest star in the constellation Orion, marking the eastern shoulder of the hunter.



Its name is derived from the Arabic word bat al-jawzāʾ, which means “the giant’s shoulder.” Betelgeuse is one of the most luminous stars in the night sky. Our editors will review what you’ve submitted and determine whether to revise the article.

Betelgeuse, the red supergiant star that acts as the shoulder of Orion in his constellation, is having a moment.

Betelgeuse imaged in ultraviolet light by the Hubble Space Telescope.This article was most recently revised and updated by By mid-December, the once shining star…







Betelgeuse is a massive star, about 700 times bigger than our sun.

It’s also one of the Milky Way’s closest neighbors at just 600 light-years away.



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Would you like to receive desktop browser notifications about breaking news and other major stories? Millennia ago, Australian Aborigines noted the star…

We've received your submission.Orion is one of the most well-known constellations across the universe — but the mythical warrior may be missing his right shoulder before long.The giant red star known as Betelgeuse, situated almost perpendicular to Orion’s belt, has rapidly dimmed since October.


We just haven’t waited long enough to see its impacts on the night sky.“It’s actually quite rare to study a star this well pre-explosion, whenever that happens,” said Nance. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica.Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox.



If the star continues to fade for another couple of weeks, “then all bets are off,” Guinan also told NatGeo. “Betelgeuse is known to be a variable star—it brightens and fades somewhat irregularly.

And there’s the possibility that it already exploded, possibly hundreds of years ago.



Betelgeuse is classified as a semiregular variable star, meaning that its brightness semiregularly changes.

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One of the brightest stars you'll see in the sky these days is Betelgeuse, whose red tones provide a fun skywatching target in February. Sorry, your blog cannot share posts by email.



The explosive death of a star, also called a supernova, would cause Betelgeuse to suddenly burn even brighter before vanishing forever.“The biggest question now is when it will explode in a supernova,” The massive Betelgeuse is 20 times the mass of our sun, and would engross Mercury, Venus, Earth, Mars, the asteroid belt and possibly even Jupiter if we were to supplant that star into our own solar system. The giant red star known as Betelgeuse, situated almost perpendicular to Orion’s belt, has rapidly dimmed since October.







By mid-December, the once shining star, usually among the top 10 brightest stars in the sky, had plummeted out of the top 20, reported Villanova University’s Edward Guinan “Now the outline of Orion is noticeably different with Betelgeuse so faint,” said Guinan.Astronomers have pointed out that the light of Betelgeuse, what astronomers call a “semi-regular variable star,” is known for fluctuating brightness.

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