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sofar55 t1_jaabfm8 wrote

Reply to comment by ExtremeQuality1682 in Eli5 Help, please my brain hurts. If there is an expanding ring of light from the big bang, what is outside it? by ExtremeQuality1682

Another explanation is that the more space between 2 galaxies, the more that space expands. Say you have 12 ft of rope. Every 5 minutes is expands by 1 in per foot. After the first cycle you have 13 ft of rope After the 2nd, 14ft 1in After the 3rd, 15ft ~3in The longer the rope, the faster it expands.

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