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A comment on 'Dark fluid' with negative mass could dominate the universe. Parent comment

Re:'Dark fluid' with negative mass could dominate the universe by YaxelPerez on Wednesday December 05, 2018 @03:29PM (#18612188)
The explanation I've heard is that it's just space being created everywhere at once. There's no center from which everything expands.

This VSauce video explains it better than I can (later in the video): https://youtu.be/3pAnRKD4raY

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Re:'Dark fluid' with negative mass could dominate the universe by andrewshadura on Thursday December 06, 2018 @04:40AM (#18616601)
Imagine a flat ‘universe’ on the surface of a balloon which is being inflated. There would be no centre of expansion on the surface of the balloon, the space would appear everywhere equally.
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