Xavier Prochaska, from UC Santa Cruz, explains how his team employs the “science of silhouette” to discover and characterize the intergalactic medium and the large-scale structure of the cosmos.(Please be patient while video loads)

Xavier Prochaska, from UC Santa Cruz, explains how his team employs the “science of silhouette” to discover and characterize the intergalactic medium and the large-scale structure of the cosmos.(Please be patient while video loads)