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Podcast: Walkabout the Galaxy
Episode: Dark Matter, Deuterons, and a Mixed-Up Protoplanetary Disk
Description: You'll be amazed at how much we can learn from iron meteorites. Who would have guessed that analysis of the compositions of these humble metallic remnants of asteroids would be able to tell us about the shape of the protoplanetary disk? We'll learn about the latest clues to the early history of our solar system, the surprising abundance of deuterons in cosmic rays provides another indicator that we still have a lot to learn about the early universe, and dark matter - well it's still out there, still dark. Join us for all this, space news, nerdy trivia and...