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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?!
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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.