Public lecture presented by Eli Rykoff
The distribution of galaxies in the universe is patchy. Galaxies are bound together in clusters made of stars, hot gas and invisible dark matter. These galaxy clusters are part of a cosmic web of filaments, nodes and empty voids that has been building up over 13 billion years. How do we observe this structure, and how do we use gravitational lensing and satellite X-ray observations to measure its mass? How do galaxy clusters trace the past expansion of the universe and reveal our future? This lecture highlights data from the Dark Energy Survey, today’s largest cosmic survey, to answer these questions.
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Illustration of how a single crystal sample of silicon deforms during shock compression on nanosecond timescales.
From left, SCU Physics Prof. Betty Young, Software Developer Concetta "Tina" Cartaro and Senior Staff Scientist Richard Partridge put the fourth, and final, SuperCDMS...
