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Observing the Darkness

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If you have a question about this talk, please contact Camille Bonvin.

After a brief review of the dark energy problem and possible explanations, I will discuss a bit how cosmological observations can characterize the properties of the dark energy. I will highlight some pitfalls like apparent matter stresses and degeneracies but show that we can in principle still test large classes of theories with the upcoming cosmological surveys.

This talk is part of the Cosmology lunch series.

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