<p>Ashlee Vance, the author of &quot;When the Heavens Went On Sale,&quot; talks about the romance, the risk and the ridiculousness surrounding four space ventures that were created in the wake of Elon Musk&#39;s SpaceX success.</p>

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The roots of the spaceflight revolution

Cosmic Log's podcast from the place where science and technology intersect with science fiction and popular culture, hosted by science writer Alan Boyle and science-fiction writer Dominica Phetteplace. Become a supporter for less than (or more than) a dollar a month. Support this podcast: https://podcasters.spotify.com/pod/show/fiction-science/support