I'm sort of familiar with Stephan Hawking's work. He writes that the universe is finite in its own boundaries, but other universes might be undergoing this breathing process "nearby" (relatively). Just as the "explosion" might be seen as rapid, or gradual, depending on the frame of reference. Also the expansion and contraction process (suggests Hawking's) eventually dies out as the expansion process weakens and eventually the ends on infinity are reached in quicker succession until there might end up being something static or the energy is entirely burned up through loss of motion, friction, light waves, etc.
If everything's a form of energy, including space itself (being malleable, etc) then you could consider the expansion of the universe, and the space that comprises it, an explosive/implosive process. I don't consider the ends of the infinite density being "slower" as being literally free from impact, at some point there has to come to a complete standstill, in order to 'reverse'.
If everything's a form of energy, including space itself (being malleable, etc) then you could consider the expansion of the universe, and the space that comprises it, an explosive/implosive process. I don't consider the ends of the infinite density being "slower" as being literally free from impact, at some point there has to come to a complete standstill, in order to 'reverse'.
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