How Did 4.4-Billion-Year-Old Zircons Prove Earth Had Oceans?

Four point five billion years ago, Earth was a glowing ball of molten lava bombarded by cosmic debris. How did a fiery inferno transform into a blue ocean planet capable of supporting life? In this deep dive into Earth's cosmic origin story, we explore the violent birth of our world from a spinning cloud of stardust to a living planet. Discover how gravity herded space dust into planetary embryos, how a cataclysmic collision with a Mars-sized body birthed our Moon, and why microscopic minerals in Western Australia changed everything we knew about early Earth's atmosphere and oceans. What you will learn: How cosmic dust accreted into massive planetary embryos in the early solar system. Why heavy iron sank to form Earth's magnetic core within thirty million years. How a giant impact with Theia stabilized Earth's orbit and created the Moon. What 4.4-billion-year-old Jack Hills zircons reveal about early oceans. How volcanic outgassing and icy comets filled the first ocean basins. #EarthHistory #Geology #SpaceScience Sources and further reading: https://tv.apple.com/us/episode/birth...    • Why Earth Is the Only Planet That Looks Li...   https://setiworld.com/articles/how-wa... https://prehistoriclife.co/how-earth-... https://www.gfz.de/en/press/news/deta...