![Sabine Hossenfelder: Backreaction: Dear Dr B: What are the chances of the universe ending out of nowhere due to vacuum decay? Sabine Hossenfelder: Backreaction: Dear Dr B: What are the chances of the universe ending out of nowhere due to vacuum decay?](https://3.bp.blogspot.com/-QVjh2uJYGEg/WTf29BeXqCI/AAAAAAAADhA/hK5oSxVSc5AFwC9beF0GGO-YS31794argCLcB/s1600/stability.jpg)
Sabine Hossenfelder: Backreaction: Dear Dr B: What are the chances of the universe ending out of nowhere due to vacuum decay?
What is a vacuum metastability event, and should I be worried about it happening in our lifetime? How probable is it? Or is it speculation? - Quora
![TIL that the Universe may exist in a false vacuum. If it dropped to a lower energy state in a vacuum metastability event, a true vacuum bubble could form in our Universe, TIL that the Universe may exist in a false vacuum. If it dropped to a lower energy state in a vacuum metastability event, a true vacuum bubble could form in our Universe,](https://external-preview.redd.it/TnpXUji992iPPHsoXbGnKeTMq6d7zvBdscp0CNinX5c.jpg?auto=webp&s=7e05b22e08d830f3c22ed5820c062910ed818c51)
TIL that the Universe may exist in a false vacuum. If it dropped to a lower energy state in a vacuum metastability event, a true vacuum bubble could form in our Universe,
![Illustration of vacuum decay for a potential with a metastable vacuum... | Download Scientific Diagram Illustration of vacuum decay for a potential with a metastable vacuum... | Download Scientific Diagram](https://www.researchgate.net/publication/329750275/figure/fig1/AS:705200490831876@1545144307878/Illustration-of-vacuum-decay-for-a-potential-with-a-metastable-vacuum-at-the-origin.png)
Illustration of vacuum decay for a potential with a metastable vacuum... | Download Scientific Diagram
![Vacuum decay of Universe: Cosmologist Katie Mack explains terrifying end of the world | Science | News | Express.co.uk Vacuum decay of Universe: Cosmologist Katie Mack explains terrifying end of the world | Science | News | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/151/590x/vacuum-decay-of-universe-katie-mack-end-of-the-world-cosmic-death-bubble-1455722.jpg?r=1624975598089)