Astronomy Cast

Ep. 349: Mercury 7 and How the US Picked the First Astronauts

Ep. 348: Places with Numbers: 2 Independence Sq (NASA HQ)

470: Best Modern Sci Fi for the Science Lover – Part 2: 3D Printing

392: The Standard Model

Ep. 350: Space Ship One

Ep. 542: Weird Issues: The Age of the Universe

Ep. 615: Planet 9

Ep. 576: Summer Stargazing Special

Ep. 312: Inverse-Square Law and Other Strangeness

469: Best Modern Sci Fi for the Science Lover – Part 1 Space Exploration