Eli5 why is that an atom is 99,6 % empty space ?

Question

Eli5 why is that an atom is 99,6 % empty space ?

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Answer 1

If you imagine the solar system as a sphere with the sun at its centre and Pluto’s orbit being the edge, that sphere will be mostly empty space. While planet orbits are mostly in a single plane, you can imagine their orbits being at any angle or location and the result will be the same