betelgeuse
Is Betelgeuse Actually a Binary Star?
Betel-gurz or Beetle-juice has been a favourite among amateur astronomers for many years. However you pronounce it, its unexpected dimming…
A New Telescope Can Observe Even in Broad Daylight
Astronomy is a profession that, so far, has only been done at night, at least on Earth. Light from the…
Betelgeuse’s Surface is Boiling Furiously
Of all the stars in the sky, betelgeuse must be among the most enigmatic. One of its many mysteries surrounds…
A Giant Star is Fading Away. But First, it Had an Enormous Eruption
About 16,000 light-years away, a massive star experienced an unusual dimming event. This can happen in binary stars when one…
Does Betelgeuse Even Rotate? Maybe Not
Betelgeuse is the well known red giant star in the corner of Orion the hunter. The name translated in some…
Can Astronomers Predict Which Stars Are About to Explode as Supernovae?
In a recent study submitted to High Energy Astrophysical Phenomena, a team of researchers from Japan discuss strategies to observe,…
Betelgeuse and Antares Have Been Observed for Over 2,000 Years. Astronomers can use This to Figure out how old They are
Stars don’t usually evolve fast enough for humans to notice them change within one lifetime. Even a hundred lifetimes won’t…
Astronomers Caught Betelgeuse Just Before it Started Dimming and Might Have Seen a Pressure Wave Rippling Through its Atmosphere
A couple of years ago, Betelgeuse generated much interest when it started dimming. That caught the attention of astronomers worldwide,…
VY Canis Majoris is “Like Betelgeuse on Steroids”
The disappearance of a star can take many forms. It could go supernova. It could turn into a black hole. …
Astronomers Hoped to see Evidence of Dark Matter Particles Inside Betelgeuse. No Luck
Axions are a hypothetical particle that might explain the existence of dark matter. But it might occasionally interact with normal…