betelgeuse dimming
Betelgeuse Versus the Asteroid… What Happened?
A rare occultation of the bright star Betelgeuse by asteroid 319 Leona turned up mixed results.
15 Years of Data Reveal the Events Leading Up to Betelgeuse’s “Great Dimming”
Anyone who regularly watches the skies may well be familiar with the constellation Orion the hunter. It is one of…
Betelgeuse's Mysterious Dimming Solved. It was… Dust
Astronomers have solved the mystery of dim Betelgeuse, and discovered how stardust can form.
A New Study Says That Betelgeuse Won’t Be Exploding Any Time Soon
I have stood under Orion The Hunter on clear evenings willing its star Betelgeuse to explode. “C'mon, blow up!” In…
Past Supernovae Could be Written Into Tree Rings
A new study by CU Boulder geoscientist Robert Brakenridge shows how nearby supernovae could have disrupted Earth's climate in the…
Wow, Betelgeuse Might Be 25% Closer than Previously Believed
In the last year, Betelgeuse has experienced two episodes of dimming. Normally, it's one of the ten brightest stars in…
Some Astronomers Think Betelgeuse Dimmed Because it “Sneezed”. And it Might be Getting Ready to do it Again
An international team of researchers has proposed a new explanation for why Betelgeuse has been mysteriously dimming, just as it…
Betelgeuse Probably Dimmed Because of Enormous Starspots
A few months ago we all watched as Betelgeuse dimmed. Between October 2019 and 22nd of February 2020 the star's…
Betelgeuse Is Bright Again
Everyone's favorite red supergiant star is bright again. The American Association of Variable Star Observers (AAVSO) has been tracking Betelgeuse…
Betelgeuse Is Brightening Again
After an usual period of dimming Betelgeuse is growing brighter. But no supernova yet.