The Supernova Question While Betelgeuse is the star most likely to go supernova in our galactic neighborhood, predicting the exact timing is impossible. Once the core runs out of helium, it will begin fusing heavier elements, creating an iron core.
Is Betelgeuse Dead Precursors Missing: Looking for the Core Collapse Signs
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.
This phenomenon was a stark reminder that red supergiants are dynamic, chaotic bodies. Located approximately 500 light-years away, it is inherently unstable due to its size.
Is Betelgeuse Dead Precursors Missing: Looking for Core Collapse Signs
However, astronomers look for specific spectroscopic signs that the core is collapsing, such as a sudden burst of neutrinos and a dramatic change in the star's spectral lines. Understanding Betelgeuse's Current State Betelgeuse is a red supergiant, a star so massive that it burns through its nuclear fuel at a rate vastly faster than our Sun.
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