This slightly chaotic episode features Adeene Denton. Adeene is a planetary geologist who works on surface processes on terrestrial bodies. Her current research focuses on massive impact basins on Pluto, Martian subsurface drainage networks, and tectonic activity on icy satellites. Adeene is trained as a scientist, historian, and dancer, and she’s also the co-director of the Ethics and Human Rights in Space Project Group for the Space Generation Advisory Council. Find out more about Adeene on http://www.adeenedenton.com/ or follow Adeene on Twitter: @spacewhalerider  Support this show http://supporter.acast.com/space-junk-podcast.   See acast.com/privacy for privacy and opt-out information.