The good news is that you, and everyone you love, will die long before it might happen.
Now for the bad news. Someday, in the far-distant future, eons beyond its 13.8-billion-year adolescence, the universe could suffer a “false vacuum decay.” This would involve a “bubble” of incomprehensibly destructive power that would spontaneously materialize and ripple through spacetime at the speed of light. Such an event would rewrite the fundamental laws of physics and obliterate our reality in the equivalent of a cosmic cut-and-paste command.
“Whatever [was] in the false vacuum—so this would be us—would disappear immediately right when this bubble spread through us,” says Jaka Vodeb, a physicist at the Jülich Center in Germany.
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