Dark Energy: How NASA is Unlocking One of the Biggest Mysteries of the Universe

Dark Energy: How NASA is Unlocking One of the Biggest Mysteries of the Universe

Only 5% of the known universe is visible to us. The other 95% is called dark matter and dark energy, and it is making scientists rethink what we know about the cosmos. Jet Propulsion Lab’s Fundamental Physics Portfolio Manager John Callas explains what dark energy is, why it is so hard to study, and what NASA is doing to unlock this big mystery.

Video Credit: National Aeronautics and Space Administration (NASA)

Duration: 2 minutes, 42 seconds

Release Date: April 29, 2024

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