Our Sun Will Turn into a Pure Crystal Ball Before It Dies

In a process not unlike human aging, most stars entering the final chapter of their lives tend to shrink, shrivel and slowly turn white. Astronomers call these cold, dense husks of once-mighty stars white dwarfs and, unlike humans, their dotage can last for billions of years.
In that time, stars with masses between about a tenth and eight times the mass of our sun burn up the last of their nuclear energy, shed their fiery outer layers and dwindle into ultracompact cores that pack about a sun's-worth of mass into a planet-size package. While this might sound like an unglamorous ending for a star, a new study published in January 2019 claims that white dwarfhood may be just the start of a beautiful new metamorphosis...


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Tag(s) : #amazing, #earth, #space, #sun, #white dwarf, #black dwarf, #science