Maybe a stupid question but could there possibly be Gravity (attraction) and Anti-Gravity (push) ? Maybe Gravity is working on the Galaxies (and all other matter), and Anti-Gravity is working in between the Galaxies to push them together at the same time Gravity pulls them together ?? Also Alex if it were just "push" would a beam of light still bend as it does when it passes say a star as it would if it were just pull ?
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