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Astronomy Cast Ep. 749: Dark Energy Changing Over Time

The 365 Days of Astronomy

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Unraveling the Hubble Tension

This chapter explores the Hubble tension, a significant dilemma in measuring the universe's expansion rate, highlighting historical measurements and recent advancements. The discussion contrasts two measurement methods, revealing the ongoing debate among astronomers regarding the true value of the Hubble constant and its implications for dark energy.

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