Or because protons are so light.
Brent
On 12/27/2022 2:59 AM, Jason Resch wrote:
There's an interesting relationship between the strength of the
electrostatic repulsion between two protons, and the gravitational
attraction of protons. It works out such that it takes ~10^54 protons
gathered together in one place before the gravitational attraction can
overwhelm the electrostatic repulsion. In other words, stars as as big
and long-lived as they are because gravity is so weak.
See:
https://alwaysasking.com/is-the-universe-fine-tuned/#Gravity_and_the_Lives_and_Deaths_of_Stars
For the calculation and references.
Jason
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