1. Chemical energy sources for Enceladus and early Earth Restricted (Penn State Only) Author: Hyde, Andrew Title: Chemical energy sources for Enceladus and early Earth Graduate Program: Geosciences (PHD) Keywords: prebiotic chemistryEnceladusthioamidethioformamide File: Login to Download Committee Members: Donald Fisher, Program Head/ChairChristopher House, Chair & Dissertation AdvisorKate Freeman, Major Field MemberPhilip Bevilacqua, Outside Unit MemberMark Patzkowsky, Outside Field Member