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by teraflop
4005 days ago
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The objects we know of are orders of magnitude too small to explain the missing mass. The Oort cloud is estimated to make up about 0.002% of the solar system's mass. If instead it was 5 times more massive than everything else put together (which would be required for it to make up our solar system's share of the galaxy's dark matter) it would be a lot more visible. |
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