1. Sep 9, 2012 #1

   cosmicrock

   

   Ive read that dark matter is making the universe expand faster than usual. How is that even possible?

    

   cosmicrock, Sep 9, 2012
2. 
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3. Sep 9, 2012 #2

   ImaLooser

   

   They say that dark energy is causing the universe to expand faster. The dark energy is from empty space, and the more the Universe expands the more empty space there is, so there is positive feedback and one would expect instability.

    

   ImaLooser, Sep 9, 2012
4. Sep 9, 2012 #3

   mfb

   

   Insights Author

   2016 Award

   Staff: Mentor

   Dark matter is not dark energy.
   In terms of gravity and the expansion, dark matter acts like regular matter, and pulls things together.
   For dark energy, see the post above.

    

   mfb, Sep 9, 2012

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