Besides learning how to live in space, astronauts training for #Artemis missions to the Moon will need to become experts in geology, so they know what to look for when they're on the lunar surface. More on Moon School in the Gravity Assist podcast, HERE >> https://t.co/L9asKv5YVE pic.twitter.com/cBekMOYbgn

— NASA_SLS (@NASA_SLS) April 8, 2020