This episode opens with a special message about The Planetary Society’s response to recent news, followed by a period of silence that marks the unjust loss of George Floyd and other black men and women. In our regular coverage, we celebrate the successful launch and arrival of the Crew Dragon spacecraft at the International Space Station. Then it’s off to Mars with planetary scientist Edgard Rivera-Valentin. Learn more at https://www.planetary.org/multimedia/planetary-radio/show/2020/0603-2020-edgard-rivera-valentin-mars-brines-crew-dragon.html

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