If the universe is expanding, do planets get smaller the further away they are from where the Big Bang occured?

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The Big Bang pushed a finite amount of matter outward to form planets, moons, stars, etc, so would it be reasonable to assume that larger planets exist near the center and things created towards the outskirts become tiny? I’m comparing this to an explosion; a volcano for example produces large boulders that land nearby while smaller fragments land further away.

Secondly, once all matter has been separated into its respective creation, won’t there then become an endless void?

In: Physics

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Anonymous 0 Comments

The Big Bang didn’t happen at a specific place. It was not the explosion of a dense ball into an empty void, it was the transition of the universe from hot and dense *everywhere* to cool and mostly-empty everywhere. Space itself grew, causing the overall density of the universe to drop.

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