The Orbital Mechanics Podcast

This week in SF history— 30 July 2008, first full firing of a Falcon 9 with all nine engines (spacex.com)Spaceflight news— NASA issues rare sole source contract to NGIS (spacenews.com, fbo.gov)Short & Sweet— Starhopper hopped (twitter.com/elonmusk) (youtu.be)— Blue Origin fires its BE-7 lunar lander engine (geekwire.com)— Lightsail-2 successfully deploys its sail and sends back imagery (planetary.org)