Save Big on Coursera Plus. 7,000+ courses at $160 off. Limited Time Only! Grab it Explore the fascinating process of water delivery to Earth through unmelted material in this 1-hour 23-minute lecture from the Lunar and Planetary Institute. Delve into the efficient degassing of early-formed planetesimals and the Ureilite Parent Body, gaining insights into the formation and evolution of our planet's water resources. Discover the latest research and theories surrounding this crucial aspect of planetary science, enhancing your understanding of Earth's early history and the origins of its life-sustaining water.