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List view record 1: Introduction to Astrophysics. Episode 24, The History of the UniverseList view anchor tag for record 1: Introduction to Astrophysics. Episode 24, The History of the Universe
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Introduction to Astrophysics. Episode 24, The History of the Universe

2019
In this last episode, follow the trail of the greatest unsolved problem in astrophysics. Along the way, get a grip on the past, present, and future of the universe. Discovered in the 1990s, the problem is "dark energy," which is causing the expansion of the universe to accelerate. Trace this myst...
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