If all the atoms in the Universe were compressed into a disk the size of the Universe, how thick would it be? (poll 3683688)

If all the atoms in the Universe were compressed into a disk the size of the Universe, how thick would it be?

Just one atom thick. Maybe less.

The size of a large molecule: hundreds of atoms thick.

A single-celled lifeform's size: just under a millimeter.

The size of a dog: around a meter.

The size of a small, rocky planet: thousands of km.

The size of a large, Sun-like object: nearly a million km.

The size of a planet's orbit: hundreds of millions of km.

Much larger than any of these: on the scale of a light-year or more.

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