Planetary Radio: Space Exploration, Astronomy and Science

Ad Astra Builds “The Martian’s” Rocket Engine

34:40 | Jan 5th, 2016

Mat Kaplan visits the Ad Astra Rocket Company in Texas where they are perfecting the VASIMIR electric rocket engine. Emily Lakdawalla has created a comprehensive timeline tracing missions throughout the solar system. Bill Nye salutes Planetary Societ...Show More