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Presented By: Saturday Morning Physics

Saturday Morning Physics | The Universe Caught Speeding: Dark Energy, Two Decades After

Dragan Huterer – Professor (U-M Physics)

Dark matter density (left) transitioning to gas density (right). Credit: Illustris Simulations Dark matter density (left) transitioning to gas density (right). Credit: Illustris Simulations
Dark matter density (left) transitioning to gas density (right). Credit: Illustris Simulations
In the late 1990s cosmologists discovered that the expansion of the universe is speeding up, not slowing down as expected. This discovery, honored with the Physics Nobel Prize in 2011, has generated waves in the field of cosmology and presents us with a grand mystery: what is the origin and nature of dark energy, the stuff that causes the accelerated expansion? Professor Huterer will review the exciting new developments in this field, including hints for new physics lurking in the data, and the upcoming ground and space telescopes dedicated to solve the dark energy mystery.
Dark matter density (left) transitioning to gas density (right). Credit: Illustris Simulations Dark matter density (left) transitioning to gas density (right). Credit: Illustris Simulations
Dark matter density (left) transitioning to gas density (right). Credit: Illustris Simulations

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