This phenomenon was a stark reminder that red supergiants are dynamic, chaotic bodies. Signs and Misinterpretations Every flare-up or change in Betelgeuse's brightness leads to headlines about the star's demise.
Betelgeuse Dead Supernova Evidence: What the Signs Truly Mean
The good news for stargazers was that the star's intrinsic brightness remained largely unchanged; the dimming was purely an effect of the veil of dust blocking our view. However, this final collapse could happen tomorrow, or it might not occur for another 100,000 years.
When this iron core collapses under its own gravity, it will trigger a supernova explosion. The star is currently fusing helium into carbon and oxygen in its core.
Betelgeuse Dead Supernova Evidence Points to Inevitable Collapse
Asymmetry in the star's shape and surface temperature. The star's surface constantly churns with convection, and it periodically sheds mass in the form of gas and dust.
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