#84 Before exoplanets comes a protoplanetary disc, we’ve found heavy water in one of these. What does this mean for the history of planetary water?

Send us Fan MailWe’ve detected many exoplanets and exoplanetary stems, they orbit stars in other parts of the galaxy. These planets form the same way our planetary did, they coalesce from a protoplanetary disc of gas and dust. Scientists have recently found a useful kind of substance - heavy water in one of these protoplanetary discs, and it’s told us a lot about how water might end up in planetary systems.Follow Cosmic Coffee Time on X for some special contentX.com/CosmicCoffTimeEmail us! [email protected] can request a topic for the show! Or even just say hi!We'd love to hear from you.