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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 cwp on Wednesday December 05, 2018 @04:53PM (#18613001)
The galaxy is in the center, and with a large positive mass it attracts negatively-massed matter towards it. But the negatively-massed matter repulses rather than attracting, so it has the effect of "squeezing" the galaxy in on its self.
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