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        9-12

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        Part of QUEST
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        Dark Energy

        Researchers at the Berkeley Lab in California have discovered a mysterious type of energy that may be responsible for the acceleration in the rate of expansion of the universe. In this video, adapted from QUEST, learn about measuring redshift and other techniques scientists are using to detect and study this proposed form of energy known as dark energy.

        For more information, visit QUEST: Dark Energy.

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