Fundamental forces | Physics Core

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Magical World of Physics

View the Universe from the shoulders of the giants

Illustration showing the Moon spiraling toward Earth, with a shocked human observer in the foreground.

Illustration showing the Moon spiraling toward Earth, with a shocked human observer in the foreground.

If gravity were stronger, the universe would collapse into a black hole

Gravity is absurdly weak, and that is why the universe exists. Discover why if gravity were stronger, the universe would collapse into a black hole.

Physics Core

Dec 20, 2025

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