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G Day
thank you for your input and interest.
You have been more informative with very useful information in a small parcel. Of course when you see gravity as a pushing thing there is no reason to see a problem of the Universe crushing as you wondered. If it was this way the radiation pressure in effect is the gravity pressure. Its only an idea but I am trying to explain how gravity rain makes points like this managable.(at least in my mind) this way of seeing it makes it easy to see why when close things will get "pushed" closer but when they are gravitationally remote will be pushed apart by the overal pressure. Just a thought.
alex
alex
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