Maybe I’m misinformed about this. But I was always told matter cannot be destroyed or created. But I have been told space is constantly expanding. Is this expansion of space not made up of “matter”? Where does it come from?
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You could think of it like inflating a balloon. Although the balloon appears bigger it hasn’t gained any matter, it just stretched.
There’s a theory that the end of our universe could be caused by expansion, basically space would stretch so much that molecules and atoms would be ripped apart.
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