The dark side of cosmology: Dark matter and dark energy

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Science  06 Mar 2015:
Vol. 347, Issue 6226, pp. 1100-1102
DOI: 10.1126/science.aaa0980


  • Fig. 1 The multiple components that compose our universe.

    Dark energy comprises 69% of the mass energy density of the universe, dark matter comprises 25%, and “ordinary” atomic matter makes up 5%. There are other observable subdominant components: Three different types of neutrinos comprise at least 0.1%, the cosmic background radiation makes up 0.01%, and black holes comprise at least 0.005%.

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