Casey Dreier, Chief Advocate of the Planetary Society, stops by to chat about space policy. He explains why human spaceflight is such a challenge, and talks about how scientists decide which planet to explore. He also explains how individual citizens from around the world can influence space policy.
202: Making atmospheres with Prof. Telus
201: International space law with Cordula Panosch
200: Pluto is a planet, and so is its moon with Dr. Runyon
199: Why can't we find Planet Nine with Prof. Lawler
198: Dragonfly with Dr. Turtle
197: A massive asteroid hit at tremendous speed with Prof. Richardson
196: Spinning universe with Dr. Cheng
195: Dark and quiet skies with Dr. Rawls
194: Exoplanet next door with Prof Whitten
193: Orbital parking spots with Larissa Markwardt
192: Craters on Titan with Prof. Neish
191: Back to Venus with Dr. Getty
190: Millions of observations with Dr. Spoto
189: Long Range Planning with Prof. Barmby
188: Failing is the most important part of science with Tyler Linder
187: You doubt your own existence with Prof. Méndez
186: What's more powerful than a dinosaur with Dr. Noviello
185: Solar system snapshots with Kevin Gill
184: Samples are forever with Prof. Snead
183: The solar wind with Dr. Jian
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