#Phosphorus is an essential element for life, but its presence on the early Earth is a mystery. Astronomers traced the journey of phosphorus from star-forming regions to comets using the combined powers of @ALMAObs and @ESA_Rosettahttps://t.co/MMWf8DhofM pic.twitter.com/RM7I9FnpCK

— ESO (@ESO) January 15, 2020