Monday, May 7, 2018 - 7:00pm to 8:45pm

Sound waves propagating through the Universe only 400,000 years after the Big Bang now offer some of our most-precise measures of the composition and history of the Universe. In the last decade, we have detected the fossil imprint of these sound waves using maps of the distribution of galaxies from the Sloan Digital Sky Survey. Dr. Eisenstein will describe these waves and the ambitious experiments that use them to extend our cosmological reach.

Dr. Daniel Eisenstein: Professor of Astronomy, Harvard University and Director, Sloan Digital Sky Survey III