The follow up to our last Nova’s Lab episode, this time Nova meets the real life NASA mathematician, Katherine Johnson! In this episode, Katherine Johnson teaches Nova about orbital mechanics and how she helped land astronauts on the moon. Written and produced by Tessa FlanneryStarring: Tessa Flannery & Lanee’ SandersTo do the experiment at home: https://www.education.com/science-fair/article/centripetal-force-string-planets-orbit/Join Patreon: https://www.patreon.com/girltalesGirl Tales on Facebook: https://www.facebook.com/girltalespodast/Girl Tales on Instagram @girltales