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What Does Dark Energy Look Like?

The mysterious substance ripping our universe apart.

Publish Date: Topic: Physics + MathPhysics & MathBrand: What the Physics?!What the Physics?!
By Greg Kestin

In 1998, astronomers planned to discover whether the universe would expand forever or eventually collapse under its own gravity. What they found instead shattered every expectation: something was overpowering the pull of gravity and pushing the universe apart. They called it dark energy. But what is this invisible substance that makes up 70% of our universe? Find out in this episode of What the Physics?!

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This project/research was supported by grant number FQXi-RFP-1822 from the Foundational Questions Institute and Fetzer Franklin Fund, a donor-advised fund of Silicon Valley Community Foundation.