red supergiants
Astronomers Think They Have a Warning Sign for When Massive Stars are About to Explode as Supernovae
A study of red supergiant supernovae suggests they become dim and red just before they day.
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,…
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…
Was Betelgeuse Formed by Merging Stars?
Modern humans—or Homo Sapiens—have only been around for about 250,000 years. That's only the blink of an eye in cosmological…
Betelgeuse is Continuing to Dim! It’s Down to 1.506 Magnitude
Betelgeuse keeps getting dimmer and everyone is wondering what exactly that means. The star will go supernova at the end…
Have We Really Just Seen The Birth Of A Black Hole?
According to a recent study by a team from Ohio State University, astronomers may have witnessed the formation of a…
Weekly Space Hangout – April 26, 2013
We had an action packed Weekly Space Hangout on Friday, with a vast collection of different stories in astronomy and…