From Hades to habitable… how on earth did our atmosphere form? 🌋 Journey back 4.5 billion years ago, to a desolate world without an atmosphere and discover the crucial ingredient that led to the foundations for life on Earth as we know it. Don’t miss Ancient Earth on NOVA PBS - a story 4.5 billion years in the making. Find out where to watch via the link in our bio. . . . . #AncientEarth #Volcanoes #Eruption #Earth