betelgeuse dimming

Betelgeuse Versus the Asteroid… What Happened?

A rare occultation of the bright star Betelgeuse by asteroid 319 Leona turned up mixed results.

3 months ago

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…

3 months ago

Betelgeuse's Mysterious Dimming Solved. It was… Dust

Astronomers have solved the mystery of dim Betelgeuse, and discovered how stardust can form.

3 years ago

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…

3 years ago

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…

3 years ago

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…

3 years ago

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…

4 years ago

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…

4 years ago

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…

4 years ago

Betelgeuse Is Brightening Again

After an usual period of dimming Betelgeuse is growing brighter. But no supernova yet.

4 years ago