MacM, Thanks for the reply. I understand how the pizza analogy works but however I am not quite sure if the planets revolving around the sun...
Is there a reason why planets in the solar system are all on roughly the same plane? Seems like all planets circle round the sun on the X-axis and...
How can the universe be 'expanding' if it is of an infinite size? To me for something to expand it has to be finite... correct me if I am wrong
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