I’ve always thought this idea of the universe ballooning or growing was odd. It implies a frame of reference outside the universe. With the universe being everything, this is not possible.
I’ve always thought this idea of the universe ballooning or growing was odd. It implies a frame of reference outside the universe.
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Does it imply an outside reference or are scientists comparing the early Universe to what they observe today?
When it’s bigger, it takes longer to get from one place to another. Not sure if you need an outside frame of reference in this case.