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Scientists Grapple with 'Dark Energy' Theory

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Scientists Grapple with 'Dark Energy' Theory

Science

Scientists Grapple with 'Dark Energy' Theory

Scientists Grapple with 'Dark Energy' Theory

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  • <iframe src="https://www.npr.org/player/embed/1577769/1577770" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

In recent years, scientists have theorized that as much as two-thirds of the universe may be made up of a mysterious substance called "dark energy." As new observations continue to support the existence of dark energy, scientists struggle to understand what it portends for the fate of the universe. Hear NPR's Richard Harris.

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