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goldust
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Suppose space is expanding in the universe, then there must be void outside the universe. If this theory is true, what would be void? And how would void differ from space?
Suppose space is expanding in the universe,
then there must be void outside the universe.
Space refers to the physical dimensions and the contents within it, such as matter, energy, and celestial bodies. Void, on the other hand, is the absence of anything, including matter and energy. In simpler terms, space is something that exists, while void is the absence of existence.
The answer to this question is still unknown and is a topic of ongoing research in the field of astrophysics. Some theories suggest that space could be infinite, while others propose that it has a finite size but with no boundaries. However, due to the vastness of space, it may appear infinite to us.
No, space cannot exist without void. Void is a necessary component of space as it provides the contrast to the physical dimensions and objects within it. Without void, space would not have any boundaries or distinctions between objects.
Space and the vacuum of space are often used interchangeably, but there is a subtle difference between the two. Space refers to the physical dimensions and contents within it, while the vacuum of space specifically refers to the absence of matter and particles.
This question falls into the realm of philosophical and metaphysical discussions, as there is no scientific evidence or consensus on what exists beyond space and void. Some theories suggest the possibility of parallel universes or alternate dimensions, but these are currently unproven and remain as speculation.