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SLAC Public Lecture: The Dark Universe Through Einstein’s Lens

Gravitational lens illustration, bending light around a massive object from a distant source. The orange arrows show the apparent position of the background source. The white arrows show the path of the light from the true position of the source. Credit: NASA

Gravitational lens illustration, bending light around a massive object from a distant source. The orange arrows show the apparent position of the background source. The white arrows show the path of the light from the true position of the source. Credit: NASA

Debbie Bard, a staff scientist at SLAC and a member of the Kavli Institute for Particle Astrophysics and Cosmology, delivered the July 23 SLAC Public Lecture, “The Dark Universe Through Einstein’s Lens.”

Bard’s talk explains the phenomenon known as gravitational lensing and how astrophysicists use it to explore the 95 percent of the universe that remains unseen: dark matter and dark energy.

SLAC National Accelerator Laboratory is one of 10 Department of Energy (DOE) Office of Science laboratories and is operated by Stanford University on behalf of the DOE.

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