The scientists named the star's rings DUDE.
The rings were given the slightly embarrassing moniker DUDE, which stands for"Disk Undergoing Dynamical Expansion."Astronomers seek out stars in the final violent phases of their lifespan to better understand the process that sees energy transferred out of a dying star as it becomes a white dwarf. By observing this rare event, they can better understand the life cycle of stars throughout the universe, phenomena that ultimately led to life flourishing on our planet.
"The end state of stellar evolution — when stars undergo the transition from being red giants to ending up as white dwarf stellar remnants — is a complex process that is not well understood," Mark Morris, co-author of the study, explained"The discovery that this process can involve the ejections of rings of gas, simultaneous with the production of high-speed, intermittent jets of material, brings a new and fascinating wrinkle to our exploration of how stars die.
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