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    Dark Secrets: What Science Tells Us About the Hidden Universe

    en-usJanuary 04, 2010
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    About this Episode

    No mystery is bigger than dark energy — the elusive force that makes up three-quarters of the Universe and is causing it to expand at an accelerating rate. Join a panel of Lawrence Berkeley National Laboratory scientists who use phenomena such as exploding stars and gravitational lenses to explore the dark cosmos. Series: "Lawrence Berkeley National Laboratory " [Science] [Show ID: 17426]

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