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Isn't that question why they felt the need to add "dark matter" to the equation? "Our mass estimation must be wrong, therefore there's all this mass we're not s
by TremendousJudge 4y ago
Isn't that question why they felt the need to add "dark matter" to the equation? "Our mass estimation must be wrong, therefore there's all this mass we're not seeing"
- saberdancer 4y agoThey had to add more matter in some places and less in others. Estimation would have wrong numbers all around.