Ep. 669: Challenges to Dark Energy

from 365 Days of Astronomy - Weekly Edition

It's been over 20 years since astronomers first discovered that the expansion of the Universe is accelerating thanks to dark energy. And in these decades, astronomers still don't have much evidence for what could be causing the increased expansion rate. Maybe there's something else going on to explain it.

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This episode was published on February 13, 2023.

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