Is the structural similarity between atoms ( smallest) and universe (biggest) a conincidence. Or there can a reason for this beyond imaginations

Question

Is the structural similarity between atoms ( smallest) and universe (biggest) a coincidence? Or there can a reason for this beyond imaginations?

It seems like, if one starts travelling out from atoms... and grows bigger and bigger, one ends in a similar structure somewhere in the universe. Kind of a circular ring.

PS: By structural similarity I mean : single nucleus and electrons revolving around in an atom, is structurally similar to planets revolving around the sun.

single Nuclues and electrons revolving around in an Atom, is structurally similar to planets revolving around the sun. — Vishwas, Nov 15 '12 at 15:52
Can there be a reason for this beyond imagination? ... I'm going to steal this line. — Nikolaj-K, Nov 15 '12 at 15:58
OP's question(v2) is perhaps indirectly spurred by the same $1/r^2$ dependence in the Coulomb electrostatic force and in the Newton gravitational force, cf. e.g. this and this Phys.SE post. — Qmechanic, Nov 16 '12 at 16:08

score 10 · Accepted Answer · answered Nov 15 '12 at 15:33

There is no structural similarity between an atom and the universe.

Atoms are usually described as bound states of a quantum system, while the universe is usually described by general relativity, two very different and currently even incompatible approaches.

Is the structural similarity between atoms ( smallest) and universe (biggest) a conincidence. Or there can a reason for this beyond imaginations

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