Dark energy makes up almost 70% of our universe and is believed to be the reason the universe is expanding.
Yet very, very little is known about it.
To figure out what we do know — and what it could tell us about the fate of the universe, we talked to astrophysicist Sarafina Nance. She studies cosmology, a field that looks at the origin and development of the universe.
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This episode was produced by Rebecca Ramirez, edited by Geoff Brumfiel and fact-checked by Emily Vaughn.
Short Wave Podcast
It’s science for everyone, using a lot of creativity and a little humor. Join host Maddie Sofia for science on a different wavelength.