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That rate is called the “Hubble Constant” – named after the astronomer Edwin Hubble, who contributed to the discovery of the universe’s expansion.

Using the Hubble Space Telescope, astronomers have been able to measure the Hubble Constant and even found out that the expansion rate of our universe is accelerating due to a mysterious force known as dark energy.

For more information, visit https://nasa.gov/hubble.

Credit: NASA's Goddard Space Flight Center

Producer & Director: James Leigh

Editor: Lucy Lund

Director of Photography: James Ball

Additional Editing & Photography: Matthew Duncan

Executive Producers: James Leigh & Matthew Duncan

Production & Post: Origin Films


Video Credits:
Hubble Space Telescope Animation
Credit: M. Kornmesser (ESA/Hubble)

Dark Energy Expansion Graph
Credit: NASA's Goddard Space Flight Center

Dark Energy Expansion Animation
Credit: NASA's Goddard Space Flight Center Conceptual Image Lab

Hubble Extreme Deep Field Fly Through
Credit: NASA, ESA, and F. Summers, L. Frattare, T. Davis, Z. Levay, and G. Bacon (Viz3D Team, STScI)

James Webb Space Telescope Animations
Credit: NASA's Goddard Space Flight Center Conceptual Image Lab

Music Credits:
“Cosmic Call” by Immersive Music via Shutterstock Music

“Alpha and Omega” by Laurent Parisi [SACEM] via KTSA Publishing [SACEM] and Universal Production Music

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