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)
![](https://www.keckobservatory.org/wp-content/uploads/2023/08/Sylvia_Artist_Impression-with_insert-1.jpg)
Xavier Prochaska